| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 770 | 
                                    
                                    19.8%
                                 | 
| 2 | No | 3110 | 
                                    
                                    80.2%
                                 | 
| 7 | NZ | 0 | 
                                    
                                    0%
                                 | 
| 8 | BO | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 1522 |