| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                    
                                    15.4%
                                 | |
| 2 | 8 | 
                                    
                                    61.5%
                                 | |
| 3 | 2 | 
                                    
                                    15.4%
                                 | |
| 4 | 1 | 
                                    
                                    7.7%
                                 | |
| Sysmiss | 4029 |