| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 670 | 
                                    
                                    55.5%
                                 | 
| 2 | Once or twice | 177 | 
                                    
                                    14.7%
                                 | 
| 3 | A few times | 145 | 
                                    
                                    12%
                                 | 
| 4 | Often | 211 | 
                                    
                                    17.5%
                                 | 
| 5 | Don't know | 4 | 
                                    
                                    0.3%
                                 | 
| 99 | Missing data | 1 | 
                                    
                                    0.1%
                                 |