| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 66 | 
                                    
                                    18.1%
                                 | |
| 1 | 1 | 
                                    
                                    0.3%
                                 | |
| 2 | 6 | 
                                    
                                    1.6%
                                 | |
| 3 | 1 | 
                                    
                                    0.3%
                                 | |
| 4 | 1 | 
                                    
                                    0.3%
                                 | |
| 5 | 5 | 
                                    
                                    1.4%
                                 | |
| 10 | 12 | 
                                    
                                    3.3%
                                 | |
| 15 | 3 | 
                                    
                                    0.8%
                                 | |
| 20 | 21 | 
                                    
                                    5.8%
                                 | |
| 30 | 13 | 
                                    
                                    3.6%
                                 | |
| 40 | 10 | 
                                    
                                    2.7%
                                 | |
| 45 | 1 | 
                                    
                                    0.3%
                                 | |
| 50 | 24 | 
                                    
                                    6.6%
                                 | |
| 52 | 1 | 
                                    
                                    0.3%
                                 | |
| 60 | 9 | 
                                    
                                    2.5%
                                 | |
| 65 | 1 | 
                                    
                                    0.3%
                                 | |
| 70 | 15 | 
                                    
                                    4.1%
                                 | |
| 80 | 14 | 
                                    
                                    3.8%
                                 | |
| 85 | 2 | 
                                    
                                    0.5%
                                 | |
| 90 | 16 | 
                                    
                                    4.4%
                                 | |
| 95 | 4 | 
                                    
                                    1.1%
                                 | |
| 100 | 138 | 
                                    
                                    37.9%
                                 |