| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2654 | 
                                    
                                    83.1%
                                 | |
| 1 | 27 | 
                                    
                                    0.8%
                                 | |
| 2 | 267 | 
                                    
                                    8.4%
                                 | |
| 3 | 246 | 
                                    
                                    7.7%
                                 | |
| Sysmiss | 6281 |