| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1713 | 
                                    
                                    18.3%
                                 | |
| 3 | 7544 | 
                                    
                                    80.5%
                                 | |
| 4 | 26 | 
                                    
                                    0.3%
                                 | |
| 8 | 84 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 9 |