| Value | Category | Cases | |
|---|---|---|---|
| 1 | 166 | 
                                    
                                    33.8%
                                 | |
| 2 | 304 | 
                                    
                                    61.9%
                                 | |
| 3 | 11 | 
                                    
                                    2.2%
                                 | |
| 4 | 10 | 
                                    
                                    2%
                                 | |
| Sysmiss | 305 |