| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    0%
                                 | |
| 1 | Yes | 12 | 
                                    
                                    0.5%
                                 | 
| 2 | No | 2598 | 
                                    
                                    99.5%
                                 | 
| Sysmiss | 1109 |