| Value | Category | Cases | |
|---|---|---|---|
| 1 | 293 | 
                                    
                                    31.8%
                                 | |
| 3 | 522 | 
                                    
                                    56.7%
                                 | |
| 6 | 84 | 
                                    
                                    9.1%
                                 | |
| 9 | 22 | 
                                    
                                    2.4%
                                 | |
| Sysmiss | 1 |