| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 14 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 142 | 
                                                                 
                                    
                                    91%
                                 
                                                             | 
                                                        
                    
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 | |
| Sysmiss | .x. censored | 0 |