| Value | Category | Cases | |
|---|---|---|---|
| 0 | 590 | 
                                    
                                    26.9%
                                 | |
| 1 | 809 | 
                                    
                                    36.8%
                                 | |
| 2 | 797 | 
                                    
                                    36.3%
                                 | |
| Sysmiss | 4768 |