| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 85 | 
                                                                 
                                    
                                    54.5%
                                 
                                                             | 
                                                        
                    |
| 2 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 3 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 15 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 16 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 20 | 23 | 
                                                                 
                                    
                                    14.7%
                                 
                                                             | 
                                                        
                    |
| 25 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 27 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 30 | 11 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 40 | 8 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 50 | 7 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| 60 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 80 | 3 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 90 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 95 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 99 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 100 | 3 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             |