| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1666 | 
                                    
                                    18.8%
                                 | |
| 3 | 7176 | 
                                    
                                    80.9%
                                 | |
| 8 | 30 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 10885 |