| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most of the time/always | 23 | 
                                
                                7.2%
                             | 
| 2 | Often/several times | 27 | 
                                
                                8.5%
                             | 
| 3 | Few times/once in a while | 216 | 
                                
                                67.7%
                             | 
| 4 | Never | 53 | 
                                
                                16.6%
                             | 
| Sysmiss | 1236 |