| Value | Category | Cases | |
|---|---|---|---|
| 1 | Frequently | 170 | 
                                    
                                    14.2%
                                 | 
| 2 | Occasionally | 445 | 
                                    
                                    37.1%
                                 | 
| 3 | Never | 542 | 
                                    
                                    45.2%
                                 | 
| 4 | Don't know | 19 | 
                                    
                                    1.6%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 24 | 
                                    
                                    2%
                                 |