| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 78 | 
                                    
                                    6.5%
                                 | 
| 1 | Rarely | 103 | 
                                    
                                    8.6%
                                 | 
| 2 | Often | 279 | 
                                    
                                    23.3%
                                 | 
| 3 | Always | 737 | 
                                    
                                    61.4%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 2 | 
                                    
                                    0.2%
                                 |