| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1158 | 
                                    
                                    96.5%
                                 | 
| 2 | Once or twice | 6 | 
                                    
                                    0.5%
                                 | 
| 3 | A few times | 2 | 
                                    
                                    0.2%
                                 | 
| 4 | Often | 4 | 
                                    
                                    0.3%
                                 | 
| 5 | Don't know | 11 | 
                                    
                                    0.9%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 19 | 
                                    
                                    1.6%
                                 |