| Value | Category | Cases | |
|---|---|---|---|
| 1 | 163 | 
                                    
                                    42%
                                 | |
| 2 | 101 | 
                                    
                                    26%
                                 | |
| 3 | 75 | 
                                    
                                    19.3%
                                 | |
| 4 | 49 | 
                                    
                                    12.6%
                                 | |
| Sysmiss | 854 |