| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 | 
                                    
                                    0.8%
                                 | 
| 0 | 515 | 
                                    
                                    84.2%
                                 | |
| 1 | 4 | 
                                    
                                    0.7%
                                 | |
| 2 | 4 | 
                                    
                                    0.7%
                                 | |
| 3 | 1 | 
                                    
                                    0.2%
                                 | |
| 4 | 2 | 
                                    
                                    0.3%
                                 | |
| 5 | 10 | 
                                    
                                    1.6%
                                 | |
| 6 | 4 | 
                                    
                                    0.7%
                                 | |
| 7 | 1 | 
                                    
                                    0.2%
                                 | |
| 8 | 3 | 
                                    
                                    0.5%
                                 | |
| 10 | 7 | 
                                    
                                    1.1%
                                 | |
| 11 | 1 | 
                                    
                                    0.2%
                                 | |
| 15 | 2 | 
                                    
                                    0.3%
                                 | |
| 17 | 1 | 
                                    
                                    0.2%
                                 | |
| 19 | 1 | 
                                    
                                    0.2%
                                 | |
| 20 | 9 | 
                                    
                                    1.5%
                                 | |
| 22 | 1 | 
                                    
                                    0.2%
                                 | |
| 23 | 1 | 
                                    
                                    0.2%
                                 | |
| 24 | 1 | 
                                    
                                    0.2%
                                 | |
| 25 | 2 | 
                                    
                                    0.3%
                                 | |
| 30 | 2 | 
                                    
                                    0.3%
                                 | |
| 34 | 1 | 
                                    
                                    0.2%
                                 | |
| 35 | 2 | 
                                    
                                    0.3%
                                 | |
| 40 | 2 | 
                                    
                                    0.3%
                                 | |
| 41 | 1 | 
                                    
                                    0.2%
                                 | |
| 49 | 1 | 
                                    
                                    0.2%
                                 | |
| 50 | 3 | 
                                    
                                    0.5%
                                 | |
| 51 | 1 | 
                                    
                                    0.2%
                                 | |
| 60 | 1 | 
                                    
                                    0.2%
                                 | |
| 65 | 1 | 
                                    
                                    0.2%
                                 | |
| 70 | 2 | 
                                    
                                    0.3%
                                 | |
| 75 | 1 | 
                                    
                                    0.2%
                                 | |
| 82 | 1 | 
                                    
                                    0.2%
                                 | |
| 90 | 1 | 
                                    
                                    0.2%
                                 | |
| 93 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 16 | 
                                    
                                    2.6%
                                 |