| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 | 
                                    
                                    65.4%
                                 | |
| 1 | 6 | 
                                    
                                    11.5%
                                 | |
| 2 | 12 | 
                                    
                                    23.1%
                                 | |
| Sysmiss | 2950 |