| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    0.6%
                                 | 
| 0 | 126 | 
                                    
                                    40.5%
                                 | |
| 1 | 14 | 
                                    
                                    4.5%
                                 | |
| 2 | 19 | 
                                    
                                    6.1%
                                 | |
| 3 | 8 | 
                                    
                                    2.6%
                                 | |
| 4 | 16 | 
                                    
                                    5.1%
                                 | |
| 5 | 12 | 
                                    
                                    3.9%
                                 | |
| 6 | 5 | 
                                    
                                    1.6%
                                 | |
| 7 | 8 | 
                                    
                                    2.6%
                                 | |
| 8 | 5 | 
                                    
                                    1.6%
                                 | |
| 9 | 6 | 
                                    
                                    1.9%
                                 | |
| 10 | 12 | 
                                    
                                    3.9%
                                 | |
| 11 | 3 | 
                                    
                                    1%
                                 | |
| 12 | 5 | 
                                    
                                    1.6%
                                 | |
| 13 | 1 | 
                                    
                                    0.3%
                                 | |
| 14 | 7 | 
                                    
                                    2.3%
                                 | |
| 15 | 6 | 
                                    
                                    1.9%
                                 | |
| 16 | 1 | 
                                    
                                    0.3%
                                 | |
| 17 | 1 | 
                                    
                                    0.3%
                                 | |
| 18 | 1 | 
                                    
                                    0.3%
                                 | |
| 20 | 4 | 
                                    
                                    1.3%
                                 | |
| 22 | 2 | 
                                    
                                    0.6%
                                 | |
| 23 | 2 | 
                                    
                                    0.6%
                                 | |
| 24 | 3 | 
                                    
                                    1%
                                 | |
| 25 | 1 | 
                                    
                                    0.3%
                                 | |
| 26 | 2 | 
                                    
                                    0.6%
                                 | |
| 28 | 1 | 
                                    
                                    0.3%
                                 | |
| 30 | 4 | 
                                    
                                    1.3%
                                 | |
| 31 | 1 | 
                                    
                                    0.3%
                                 | |
| 32 | 1 | 
                                    
                                    0.3%
                                 | |
| 33 | 2 | 
                                    
                                    0.6%
                                 | |
| 34 | 1 | 
                                    
                                    0.3%
                                 | |
| 35 | 2 | 
                                    
                                    0.6%
                                 | |
| 37 | 1 | 
                                    
                                    0.3%
                                 | |
| 41 | 2 | 
                                    
                                    0.6%
                                 | |
| 50 | 1 | 
                                    
                                    0.3%
                                 | |
| 55 | 2 | 
                                    
                                    0.6%
                                 | |
| 56 | 1 | 
                                    
                                    0.3%
                                 | |
| 58 | 1 | 
                                    
                                    0.3%
                                 | |
| 65 | 1 | 
                                    
                                    0.3%
                                 | |
| 68 | 1 | 
                                    
                                    0.3%
                                 | |
| 70 | 1 | 
                                    
                                    0.3%
                                 | |
| 80 | 2 | 
                                    
                                    0.6%
                                 | |
| 89 | 1 | 
                                    
                                    0.3%
                                 | |
| 98 | 1 | 
                                    
                                    0.3%
                                 | |
| 100 | 1 | 
                                    
                                    0.3%
                                 | |
| 140 | 1 | 
                                    
                                    0.3%
                                 | |
| 145 | 1 | 
                                    
                                    0.3%
                                 | |
| 152 | 1 | 
                                    
                                    0.3%
                                 | |
| 160 | 1 | 
                                    
                                    0.3%
                                 | |
| 171 | 1 | 
                                    
                                    0.3%
                                 | |
| 185 | 1 | 
                                    
                                    0.3%
                                 | |
| 237 | 1 | 
                                    
                                    0.3%
                                 | |
| 240 | 1 | 
                                    
                                    0.3%
                                 | |
| 265 | 1 | 
                                    
                                    0.3%
                                 | |
| 530 | 1 | 
                                    
                                    0.3%
                                 | |
| 1484 | 1 | 
                                    
                                    0.3%
                                 |