| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3869 | 
                                    
                                    88.5%
                                 | |
| 3 | 183 | 
                                    
                                    4.2%
                                 | |
| 8 | 319 | 
                                    
                                    7.3%
                                 | |
| Sysmiss | 6942 |