| Value | Category | Cases | |
|---|---|---|---|
| 1 | 184 | 
                                    
                                    37.6%
                                 | |
| 2 | 287 | 
                                    
                                    58.6%
                                 | |
| 3 | 9 | 
                                    
                                    1.8%
                                 | |
| 4 | 10 | 
                                    
                                    2%
                                 | |
| Sysmiss | 306 |