| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 | 
                                    
                                    1.6%
                                 | 
| 0 | 93 | 
                                    
                                    9.7%
                                 | |
| 1 | 4 | 
                                    
                                    0.4%
                                 | |
| 2 | 1 | 
                                    
                                    0.1%
                                 | |
| 3 | 2 | 
                                    
                                    0.2%
                                 | |
| 4 | 1 | 
                                    
                                    0.1%
                                 | |
| 5 | 15 | 
                                    
                                    1.6%
                                 | |
| 6 | 1 | 
                                    
                                    0.1%
                                 | |
| 8 | 1 | 
                                    
                                    0.1%
                                 | |
| 10 | 26 | 
                                    
                                    2.7%
                                 | |
| 12 | 1 | 
                                    
                                    0.1%
                                 | |
| 15 | 5 | 
                                    
                                    0.5%
                                 | |
| 20 | 23 | 
                                    
                                    2.4%
                                 | |
| 25 | 4 | 
                                    
                                    0.4%
                                 | |
| 30 | 23 | 
                                    
                                    2.4%
                                 | |
| 31 | 1 | 
                                    
                                    0.1%
                                 | |
| 33 | 1 | 
                                    
                                    0.1%
                                 | |
| 35 | 3 | 
                                    
                                    0.3%
                                 | |
| 40 | 17 | 
                                    
                                    1.8%
                                 | |
| 43 | 1 | 
                                    
                                    0.1%
                                 | |
| 47 | 1 | 
                                    
                                    0.1%
                                 | |
| 50 | 25 | 
                                    
                                    2.6%
                                 | |
| 59 | 1 | 
                                    
                                    0.1%
                                 | |
| 60 | 19 | 
                                    
                                    2%
                                 | |
| 65 | 2 | 
                                    
                                    0.2%
                                 | |
| 69 | 1 | 
                                    
                                    0.1%
                                 | |
| 70 | 37 | 
                                    
                                    3.9%
                                 | |
| 75 | 4 | 
                                    
                                    0.4%
                                 | |
| 77 | 1 | 
                                    
                                    0.1%
                                 | |
| 80 | 63 | 
                                    
                                    6.6%
                                 | |
| 85 | 13 | 
                                    
                                    1.4%
                                 | |
| 87 | 1 | 
                                    
                                    0.1%
                                 | |
| 90 | 114 | 
                                    
                                    11.9%
                                 | |
| 92 | 1 | 
                                    
                                    0.1%
                                 | |
| 94 | 1 | 
                                    
                                    0.1%
                                 | |
| 95 | 85 | 
                                    
                                    8.9%
                                 | |
| 96 | 4 | 
                                    
                                    0.4%
                                 | |
| 97 | 10 | 
                                    
                                    1%
                                 | |
| 98 | 34 | 
                                    
                                    3.6%
                                 | |
| 99 | 51 | 
                                    
                                    5.3%
                                 | |
| 100 | 249 | 
                                    
                                    26.1%
                                 |