| Value | Category | Cases | |
|---|---|---|---|
| 1 | 640 | 
                                    
                                    27.5%
                                 | |
| 3 | 1284 | 
                                    
                                    55.1%
                                 | |
| 8 | 405 | 
                                    
                                    17.4%
                                 | |
| Sysmiss | 8183 |