| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 136 | 
                                    
                                    87.7%
                                 | 
| 2 | No | 17 | 
                                    
                                    11%
                                 | 
| 9 | Do not know | 2 | 
                                    
                                    1.3%
                                 | 
| Sysmiss | 45 |