| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 0 | 39 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 10 | 27 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 14 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 15 | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 31 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 25 | 24 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 28 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 30 | 57 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 35 | 6 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 40 | 75 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    |
| 45 | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 50 | 176 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                                                        
                    |
| 55 | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 60 | 87 | 
                                                                 
                                    
                                    6.1%
                                 
                                                             | 
                                                        
                    |
| 65 | 6 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 67 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 70 | 71 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 75 | 39 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 80 | 53 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 85 | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 90 | 32 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 95 | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 100 | 683 | 
                                                                 
                                    
                                    47.7%
                                 
                                                             |