| Value | Category | Cases | |
|---|---|---|---|
| 1 | 82 | 
                                    
                                    22.5%
                                 | |
| 2 | 18 | 
                                    
                                    4.9%
                                 | |
| 3 | 240 | 
                                    
                                    65.9%
                                 | |
| 4 | 24 | 
                                    
                                    6.6%
                                 | |
| Sysmiss | 3663 |