| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 200 | 
                                    
                                    16.7%
                                 | 
| 1 | Rarely | 187 | 
                                    
                                    15.6%
                                 | 
| 2 | Often | 306 | 
                                    
                                    25.5%
                                 | 
| 3 | Always | 490 | 
                                    
                                    40.8%
                                 | 
| 9 | Don't know | 17 | 
                                    
                                    1.4%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |