| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 213 | 
                                    
                                    64.4%
                                 | 
| 2 | no | 116 | 
                                    
                                    35%
                                 | 
| 3 | (dk) | 0 | 
                                    
                                    0%
                                 | 
| 4 | (ref) | 2 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 2669 |