| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    0%
                                 | |
| 3 | 6 | 
                                    
                                    0.1%
                                 | |
| 4 | 2001 | 
                                    
                                    31.5%
                                 | |
| 5 | 2730 | 
                                    
                                    42.9%
                                 | |
| 6 | 1620 | 
                                    
                                    25.5%
                                 | |
| Sysmiss | 19 |