| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1167 | 
                                    
                                    63.2%
                                 | |
| 1 | 53 | 
                                    
                                    2.9%
                                 | |
| 2 | 251 | 
                                    
                                    13.6%
                                 | |
| 3 | 376 | 
                                    
                                    20.4%
                                 | |
| Sysmiss | 7628 |