| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1119 | 
                                    
                                    95.1%
                                 | 
| 2 | Once or twice | 21 | 
                                    
                                    1.8%
                                 | 
| 3 | A few times | 4 | 
                                    
                                    0.3%
                                 | 
| 4 | Often | 4 | 
                                    
                                    0.3%
                                 | 
| 5 | Don't know | 20 | 
                                    
                                    1.7%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 9 | 
                                    
                                    0.8%
                                 |