| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 443 | 
                                    
                                    36.9%
                                 | 
| 1 | Occasionally | 466 | 
                                    
                                    38.8%
                                 | 
| 2 | Frequently | 283 | 
                                    
                                    23.6%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't Know | 7 | 
                                    
                                    0.6%
                                 |