| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 | 
                                    
                                    76.5%
                                 | |
| 2 | 3 | 
                                    
                                    17.6%
                                 | |
| 3 | 1 | 
                                    
                                    5.9%
                                 | |
| Sysmiss | 1831 |