| Value | Category | Cases | |
|---|---|---|---|
| 1 | FROM CARD | 1132 | 
                                    
                                    9.9%
                                 | 
| 2 | FROM RECALL | 1257 | 
                                    
                                    11%
                                 | 
| 8 | DK | 8 | 
                                    
                                    0.1%
                                 | 
| 9 | NO RESPONSE | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 9065 | 
                                    
                                    79.1%
                                 |