| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 0 | 526 | 
                                                                 
                                    
                                    36.4%
                                 
                                                             | 
                                                        
                    |
| 1 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 10 | 5 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 5 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 25 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 30 | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 33 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 40 | 11 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 47 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 50 | 28 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 60 | 9 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 70 | 8 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 80 | 10 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 85 | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 90 | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 95 | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 97 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 99 | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 100 | 805 | 
                                                                 
                                    
                                    55.7%
                                 
                                                             |