| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 291 | 
                                    
                                    29%
                                 | 
| 2 | no | 706 | 
                                    
                                    70.2%
                                 | 
| 3 | (dk) | 4 | 
                                    
                                    0.4%
                                 | 
| 4 | (ref) | 4 | 
                                    
                                    0.4%
                                 |