| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, I do have information | 1195 | 
                                    
                                    38%
                                 | 
| 2 | I do not have information | 1925 | 
                                    
                                    61.3%
                                 | 
| 77 | REFUSE TO ANSWER | 21 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 3079 |