| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3573 | 
                                    
                                    76.4%
                                 | |
| 3 | 1045 | 
                                    
                                    22.3%
                                 | |
| 8 | 59 | 
                                    
                                    1.3%
                                 | |
| Sysmiss | 3761 |