| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 769 | 
                                    
                                    63.7%
                                 | 
| 2 | Once or twice | 97 | 
                                    
                                    8%
                                 | 
| 3 | A few times | 111 | 
                                    
                                    9.2%
                                 | 
| 4 | Often | 224 | 
                                    
                                    18.5%
                                 | 
| 5 | Don't know | 5 | 
                                    
                                    0.4%
                                 | 
| 99 | Missing data | 2 | 
                                    
                                    0.2%
                                 |