| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Completely | 170 | 
                                    
                                    26.9%
                                 | 
| 2 | 2. Partially | 334 | 
                                    
                                    52.8%
                                 | 
| 3 | 3. Not at all | 128 | 
                                    
                                    20.3%
                                 | 
| Sysmiss | 6673 |