| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 | 
                                
                                1.6%
                             | |
| 1 | 106 | 
                                
                                84.1%
                             | |
| 2 | 13 | 
                                
                                10.3%
                             | |
| 3 | 5 | 
                                
                                4%
                             | |
| Sysmiss | 124 |