| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1004 | 
                                    
                                    21.7%
                                 | |
| 2 | 1445 | 
                                    
                                    31.3%
                                 | |
| 3 | 1953 | 
                                    
                                    42.3%
                                 | |
| 4 | 167 | 
                                    
                                    3.6%
                                 | |
| 8 | 48 | 
                                    
                                    1%
                                 | |
| Sysmiss | 15139 |