| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 986 | 
                                    
                                    82.2%
                                 | 
| 2 | Once or twice | 53 | 
                                    
                                    4.4%
                                 | 
| 3 | A few times | 59 | 
                                    
                                    4.9%
                                 | 
| 4 | Often | 69 | 
                                    
                                    5.8%
                                 | 
| 5 | Don't know | 14 | 
                                    
                                    1.2%
                                 | 
| 99 | Missing data | 19 | 
                                    
                                    1.6%
                                 |