| Value | Category | Cases | |
|---|---|---|---|
| 1 | Frequently | 51 | 
                                    
                                    5.1%
                                 | 
| 2 | Occasionally | 627 | 
                                    
                                    63.1%
                                 | 
| 3 | Never | 315 | 
                                    
                                    31.7%
                                 | 
| -4 | Not asked | 0 | |
| -2 | No answer | 10 |