| Value | Category | Cases | |
|---|---|---|---|
| 1 | 532 | 
                                    
                                    9.6%
                                 | |
| 2 | 4515 | 
                                    
                                    81.9%
                                 | |
| 3 | 450 | 
                                    
                                    8.2%
                                 | |
| 4 | 19 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 17 |