| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1583 | 
                                    
                                    28.5%
                                 | |
| 4 | 3875 | 
                                    
                                    69.8%
                                 | |
| 8 | 91 | 
                                    
                                    1.6%
                                 | |
| Sysmiss | 5301 |