| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 434 | 
                                    
                                    5.3%
                                 | 
| 1 | 3810 | 
                                    
                                    46.2%
                                 | |
| 2 | 3274 | 
                                    
                                    39.7%
                                 | |
| 3 | 500 | 
                                    
                                    6.1%
                                 | |
| 4 | 97 | 
                                    
                                    1.2%
                                 | |
| 5 | 28 | 
                                    
                                    0.3%
                                 | |
| 6 | 4 | 
                                    
                                    0%
                                 | |
| 7 | 3 | 
                                    
                                    0%
                                 | |
| 9 | 1 | 
                                    
                                    0%
                                 | |
| 96 | other | 87 | 
                                    
                                    1.1%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | 1 | 
                                    
                                    0%
                                 |