| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 1975 | 
                                    
                                    93.1%
                                 | 
| 2 | No | 146 | 
                                    
                                    6.9%
                                 | 
| Sysmiss | 14 |