| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 68 | 
                                    
                                    3.2%
                                 | 
| 2 | NO | 2012 | 
                                    
                                    93.5%
                                 | 
| 8 | DK | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 70 | 
                                    
                                    3.3%
                                 |