| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 4 | 
                                    
                                    1.1%
                                 | |
| 3 | 1 | 
                                    
                                    0.3%
                                 | |
| 5 | 1 | 
                                    
                                    0.3%
                                 | |
| 10 | 1 | 
                                    
                                    0.3%
                                 | |
| 30 | 1 | 
                                    
                                    0.3%
                                 | |
| 44 | 1 | 
                                    
                                    0.3%
                                 | |
| 50 | 1 | 
                                    
                                    0.3%
                                 | |
| 55 | 1 | 
                                    
                                    0.3%
                                 | |
| 60 | 1 | 
                                    
                                    0.3%
                                 | |
| 80 | 4 | 
                                    
                                    1.1%
                                 | |
| 87 | 1 | 
                                    
                                    0.3%
                                 | |
| 94 | 1 | 
                                    
                                    0.3%
                                 | |
| 95 | 4 | 
                                    
                                    1.1%
                                 | |
| 97 | 1 | 
                                    
                                    0.3%
                                 | |
| 100 | 341 | 
                                    
                                    93.7%
                                 |