| Value | Category | Cases | |
|---|---|---|---|
| 0 | 595 | 
                                    
                                    6.2%
                                 | |
| 1 | 2277 | 
                                    
                                    23.9%
                                 | |
| 2 | 2003 | 
                                    
                                    21%
                                 | |
| 3 | 2223 | 
                                    
                                    23.3%
                                 | |
| 4 | 1606 | 
                                    
                                    16.8%
                                 | |
| 5 | 691 | 
                                    
                                    7.2%
                                 | |
| 6 | 112 | 
                                    
                                    1.2%
                                 | |
| 7 | 27 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 806 |