| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    23.5%
                                 | |
| 1 | 8 | 
                                    
                                    47.1%
                                 | |
| 2 | 1 | 
                                    
                                    5.9%
                                 | |
| 3 | 4 | 
                                    
                                    23.5%
                                 | |
| Sysmiss | 10833 |