| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 340 | 
                                    
                                    28.3%
                                 | 
| 1 | Rarely | 316 | 
                                    
                                    26.3%
                                 | 
| 2 | Often | 291 | 
                                    
                                    24.3%
                                 | 
| 3 | Always | 68 | 
                                    
                                    5.7%
                                 | 
| 9 | Don't know | 185 | 
                                    
                                    15.4%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |