| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 97 | 
                                                                 
                                    
                                    26.6%
                                 
                                                             | 
                                                        
                    |
| 1 | 26 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 39 | 
                                                                 
                                    
                                    10.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 25 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 25 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 5 | 20 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 8 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 12 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 8 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 5 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 10 | 21 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    |
| 11 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 12 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 13 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 14 | 4 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 15 | 7 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 17 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 18 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 19 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 20 | 12 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 22 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 25 | 7 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 26 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 30 | 5 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 31 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 32 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 35 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 38 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 39 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 40 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 45 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 49 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 50 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 54 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 60 | 4 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 61 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 68 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 70 | 3 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 73 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 80 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 82 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 86 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 100 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 118 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 120 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 145 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 150 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 170 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 200 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 250 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 288 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 300 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 600 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 1000 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |