| Value | Category | Cases | |
|---|---|---|---|
| 0 | 731 | 
                                    
                                    12.5%
                                 | |
| 1 | 216 | 
                                    
                                    3.7%
                                 | |
| 2 | 779 | 
                                    
                                    13.3%
                                 | |
| 3 | 1828 | 
                                    
                                    31.3%
                                 | |
| 4 | 841 | 
                                    
                                    14.4%
                                 | |
| 5 | 542 | 
                                    
                                    9.3%
                                 | |
| 6 | 71 | 
                                    
                                    1.2%
                                 | |
| 7 | 7+ | 470 | 
                                    
                                    8%
                                 | 
| 8 | dk | 365 | 
                                    
                                    6.2%
                                 | 
| Sysmiss | 9508 |