| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 5 | 1 | 
                                    
                                    0.7%
                                 | |
| 10 | 1 | 
                                    
                                    0.7%
                                 | |
| 20 | 2 | 
                                    
                                    1.3%
                                 | |
| 30 | 1 | 
                                    
                                    0.7%
                                 | |
| 45 | 1 | 
                                    
                                    0.7%
                                 | |
| 50 | 1 | 
                                    
                                    0.7%
                                 | |
| 70 | 3 | 
                                    
                                    2%
                                 | |
| 80 | 2 | 
                                    
                                    1.3%
                                 | |
| 90 | 1 | 
                                    
                                    0.7%
                                 | |
| 95 | 1 | 
                                    
                                    0.7%
                                 | |
| 100 | 136 | 
                                    
                                    90.7%
                                 |