| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 10 | 
                                    
                                    1.8%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 1 | Never | 497 | 
                                    
                                    91%
                                 | 
| 2 | Seldom | 26 | 
                                    
                                    4.8%
                                 | 
| 3 | Sometimes | 11 | 
                                    
                                    2%
                                 | 
| 4 | Frequently | 1 | 
                                    
                                    0.2%
                                 | 
| 5 | Very frequently | 1 | 
                                    
                                    0.2%
                                 | 
| 6 | Always | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 409 |