| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, fully | 538 | 
                                    
                                    7.9%
                                 | 
| 2 | Yes, partially | 2346 | 
                                    
                                    34.4%
                                 | 
| 3 | I don’t know at all | 3936 | 
                                    
                                    57.7%
                                 | 
| Sysmiss | 3 |