| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3835 | 
                                    
                                    34%
                                 | |
| 2 | 7420 | 
                                    
                                    65.8%
                                 | |
| 9 | 21 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 4324 |