| Value | Category | Cases | |
|---|---|---|---|
| 1 | 138 | 
                                    
                                    87.9%
                                 | |
| 3 | 18 | 
                                    
                                    11.5%
                                 | |
| 9 | 1 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 1675 |