| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 883 | 
                                    
                                    75%
                                 | 
| 2 | Once or twice | 78 | 
                                    
                                    6.6%
                                 | 
| 3 | A few times | 67 | 
                                    
                                    5.7%
                                 | 
| 4 | Often | 145 | 
                                    
                                    12.3%
                                 | 
| 5 | Don't know | 1 | 
                                    
                                    0.1%
                                 | 
| 99 | Missing data | 3 | 
                                    
                                    0.3%
                                 |