| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 | 
                                    
                                    2.2%
                                 | 
| 0 | 41 | 
                                    
                                    10.2%
                                 | |
| 1 | 3 | 
                                    
                                    0.7%
                                 | |
| 5 | 9 | 
                                    
                                    2.2%
                                 | |
| 6 | 1 | 
                                    
                                    0.2%
                                 | |
| 8 | 1 | 
                                    
                                    0.2%
                                 | |
| 10 | 28 | 
                                    
                                    7%
                                 | |
| 11 | 1 | 
                                    
                                    0.2%
                                 | |
| 13 | 1 | 
                                    
                                    0.2%
                                 | |
| 14 | 1 | 
                                    
                                    0.2%
                                 | |
| 15 | 4 | 
                                    
                                    1%
                                 | |
| 16 | 1 | 
                                    
                                    0.2%
                                 | |
| 20 | 21 | 
                                    
                                    5.2%
                                 | |
| 23 | 1 | 
                                    
                                    0.2%
                                 | |
| 25 | 1 | 
                                    
                                    0.2%
                                 | |
| 26 | 1 | 
                                    
                                    0.2%
                                 | |
| 27 | 1 | 
                                    
                                    0.2%
                                 | |
| 28 | 1 | 
                                    
                                    0.2%
                                 | |
| 30 | 18 | 
                                    
                                    4.5%
                                 | |
| 31 | 1 | 
                                    
                                    0.2%
                                 | |
| 33 | 1 | 
                                    
                                    0.2%
                                 | |
| 34 | 3 | 
                                    
                                    0.7%
                                 | |
| 35 | 1 | 
                                    
                                    0.2%
                                 | |
| 36 | 2 | 
                                    
                                    0.5%
                                 | |
| 40 | 8 | 
                                    
                                    2%
                                 | |
| 42 | 1 | 
                                    
                                    0.2%
                                 | |
| 43 | 1 | 
                                    
                                    0.2%
                                 | |
| 44 | 1 | 
                                    
                                    0.2%
                                 | |
| 45 | 1 | 
                                    
                                    0.2%
                                 | |
| 46 | 2 | 
                                    
                                    0.5%
                                 | |
| 50 | 21 | 
                                    
                                    5.2%
                                 | |
| 51 | 1 | 
                                    
                                    0.2%
                                 | |
| 55 | 2 | 
                                    
                                    0.5%
                                 | |
| 60 | 21 | 
                                    
                                    5.2%
                                 | |
| 65 | 5 | 
                                    
                                    1.2%
                                 | |
| 70 | 17 | 
                                    
                                    4.2%
                                 | |
| 75 | 2 | 
                                    
                                    0.5%
                                 | |
| 77 | 1 | 
                                    
                                    0.2%
                                 | |
| 80 | 18 | 
                                    
                                    4.5%
                                 | |
| 85 | 4 | 
                                    
                                    1%
                                 | |
| 88 | 1 | 
                                    
                                    0.2%
                                 | |
| 90 | 16 | 
                                    
                                    4%
                                 | |
| 92 | 2 | 
                                    
                                    0.5%
                                 | |
| 93 | 1 | 
                                    
                                    0.2%
                                 | |
| 95 | 9 | 
                                    
                                    2.2%
                                 | |
| 96 | 2 | 
                                    
                                    0.5%
                                 | |
| 97 | 2 | 
                                    
                                    0.5%
                                 | |
| 98 | 6 | 
                                    
                                    1.5%
                                 | |
| 99 | 6 | 
                                    
                                    1.5%
                                 | |
| 100 | 99 | 
                                    
                                    24.6%
                                 |