| Value | Category | Cases | |
|---|---|---|---|
| 1 | 168 | 
                                    
                                    33.1%
                                 | |
| 2 | 302 | 
                                    
                                    59.6%
                                 | |
| 3 | 26 | 
                                    
                                    5.1%
                                 | |
| 4 | 11 | 
                                    
                                    2.2%
                                 | |
| Sysmiss | 289 |