| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all the time | 400 | 
                                    
                                    21.7%
                                 | 
| 2 | Yes, sometimes | 765 | 
                                    
                                    41.5%
                                 | 
| 3 | No | 520 | 
                                    
                                    28.2%
                                 | 
| 4 | Not Applicable | 159 | 
                                    
                                    8.6%
                                 | 
| Sysmiss | 21549 |