| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, fully | 496 | 
                                    
                                    7.3%
                                 | 
| 2 | Yes, partially | 2512 | 
                                    
                                    36.8%
                                 | 
| 3 | I don’t know at all | 3812 | 
                                    
                                    55.9%
                                 | 
| Sysmiss | 3 |