| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2718 | 
                                    
                                    85.1%
                                 | |
| 1 | 7 | 
                                    
                                    0.2%
                                 | |
| 2 | 164 | 
                                    
                                    5.1%
                                 | |
| 3 | 305 | 
                                    
                                    9.5%
                                 | |
| Sysmiss | 6281 |