| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 630 | 
                                    
                                    70.7%
                                 | 
| 1 | Yes | 191 | 
                                    
                                    21.4%
                                 | 
| 2 | 70 | 
                                    
                                    7.9%
                                 | |
| Sysmiss | 4102 |