| Value | Category | Cases | |
|---|---|---|---|
| 1 | 427 | 
                                    
                                    12.3%
                                 | |
| 3 | 2995 | 
                                    
                                    86.4%
                                 | |
| 8 | 43 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 69 |