| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    90.9%
                                 | |
| 2 | 1 | 
                                    
                                    4.5%
                                 | |
| 9 | 1 | 
                                    
                                    4.5%
                                 | |
| Sysmiss | 12214 |