| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 13371 | 
                                    
                                    93.5%
                                 | 
| 2 | NO | 261 | 
                                    
                                    1.8%
                                 | 
| 9 | NO RESPONSE | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 657 | 
                                    
                                    4.6%
                                 |