| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 541 | 
                                    
                                    92.6%
                                 | 
| 2 | No | 36 | 
                                    
                                    6.2%
                                 | 
| 3 | Don't know | 7 | 
                                    
                                    1.2%
                                 | 
| Sysmiss | 228 |