| Value | Category | Cases | |
|---|---|---|---|
| 1 | 307 | 
                                    
                                    67.2%
                                 | |
| 2 | 104 | 
                                    
                                    22.8%
                                 | |
| 3 | 36 | 
                                    
                                    7.9%
                                 | |
| 4 | 10 | 
                                    
                                    2.2%
                                 | |
| Sysmiss | 682 |