| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 | 
                                    
                                    76.9%
                                 | |
| 2 | 8 | 
                                    
                                    20.5%
                                 | |
| 4 | 1 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 1461 |