| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 862 | 
                                    
                                    71.8%
                                 | 
| 1 | Yes | 334 | 
                                    
                                    27.8%
                                 | 
| 8 | Refused | 2 | 
                                    
                                    0.2%
                                 | 
| 9 | Don't know | 2 | 
                                    
                                    0.2%
                                 |