| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 10 | 5 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 15 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 5 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 40 | 9 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| 50 | 4 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 60 | 6 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 70 | 6 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 75 | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 80 | 10 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 85 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 88 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 90 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 95 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 98 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 100 | 332 | 
                                                                 
                                    
                                    85.6%
                                 
                                                             |