| Value | Category | Cases | |
|---|---|---|---|
| 1 | 150 | 
                                    
                                    44.1%
                                 | |
| 2 | 184 | 
                                    
                                    54.1%
                                 | |
| 3 | 5 | 
                                    
                                    1.5%
                                 | |
| 4 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 456 |