| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 153 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 1 | Yes (specific examples given) | 509 | 
                                                                 
                                    
                                    76.8%
                                 
                                                             | 
                                                        
                    
| 999 | Do not know(or does not apply) | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 90 |