| Value | Category | Cases | |
|---|---|---|---|
| 1 | 573 | 
                                    
                                    16.5%
                                 | |
| 3 | 2850 | 
                                    
                                    82.3%
                                 | |
| 8 | 42 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 69 |