| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 10 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| -8 | Refused | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -5 | Not Applicable | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | Missing | 336 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 1 | Card | 3693 | 
                                                                 
                                    
                                    39.3%
                                 
                                                             | 
                                                        
                    
| 2 | Recall | 5351 | 
                                                                 
                                    
                                    57%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 209 |