| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 1390 | 
                                    
                                    89%
                                 | 
| 2 | No | 172 | 
                                    
                                    11%
                                 | 
| Sysmiss | 573 |