| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1545 | 
                                    
                                    99.9%
                                 | 
| 2 | No | 0 | 
                                    
                                    0%
                                 | 
| 8 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 9 | Missing | 2 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1327 |