| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 | 
                                    
                                    0.7%
                                 | 
| 0 | 27 | 
                                    
                                    6.7%
                                 | |
| 1 | 9 | 
                                    
                                    2.2%
                                 | |
| 2 | 6 | 
                                    
                                    1.5%
                                 | |
| 3 | 1 | 
                                    
                                    0.2%
                                 | |
| 5 | 14 | 
                                    
                                    3.5%
                                 | |
| 7 | 1 | 
                                    
                                    0.2%
                                 | |
| 9 | 1 | 
                                    
                                    0.2%
                                 | |
| 10 | 20 | 
                                    
                                    5%
                                 | |
| 15 | 1 | 
                                    
                                    0.2%
                                 | |
| 20 | 22 | 
                                    
                                    5.5%
                                 | |
| 25 | 4 | 
                                    
                                    1%
                                 | |
| 27 | 1 | 
                                    
                                    0.2%
                                 | |
| 30 | 14 | 
                                    
                                    3.5%
                                 | |
| 35 | 2 | 
                                    
                                    0.5%
                                 | |
| 39 | 1 | 
                                    
                                    0.2%
                                 | |
| 40 | 10 | 
                                    
                                    2.5%
                                 | |
| 42 | 1 | 
                                    
                                    0.2%
                                 | |
| 45 | 3 | 
                                    
                                    0.7%
                                 | |
| 48 | 1 | 
                                    
                                    0.2%
                                 | |
| 50 | 28 | 
                                    
                                    7%
                                 | |
| 55 | 1 | 
                                    
                                    0.2%
                                 | |
| 58 | 1 | 
                                    
                                    0.2%
                                 | |
| 60 | 8 | 
                                    
                                    2%
                                 | |
| 65 | 3 | 
                                    
                                    0.7%
                                 | |
| 66 | 1 | 
                                    
                                    0.2%
                                 | |
| 70 | 14 | 
                                    
                                    3.5%
                                 | |
| 75 | 1 | 
                                    
                                    0.2%
                                 | |
| 77 | 1 | 
                                    
                                    0.2%
                                 | |
| 80 | 18 | 
                                    
                                    4.5%
                                 | |
| 85 | 4 | 
                                    
                                    1%
                                 | |
| 89 | 1 | 
                                    
                                    0.2%
                                 | |
| 90 | 23 | 
                                    
                                    5.7%
                                 | |
| 92 | 1 | 
                                    
                                    0.2%
                                 | |
| 95 | 6 | 
                                    
                                    1.5%
                                 | |
| 99 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 148 | 
                                    
                                    36.8%
                                 |