| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 442 | 
                                    
                                    32.9%
                                 | 
| 1 | Yes | 882 | 
                                    
                                    65.6%
                                 | 
| 8 | Don't know | 20 | 
                                    
                                    1.5%
                                 |