| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Several times a day or daily | 1097 | 
                                    
                                    72.7%
                                 | 
| 2 | 2 Several times a week | 147 | 
                                    
                                    9.7%
                                 | 
| 3 | 3 Once a week | 50 | 
                                    
                                    3.3%
                                 | 
| 4 | 4 Several times a month | 14 | 
                                    
                                    0.9%
                                 | 
| 5 | 5 Once a month | 9 | 
                                    
                                    0.6%
                                 | 
| 6 | 6 less often | 32 | 
                                    
                                    2.1%
                                 | 
| 7 | 7 Never | 158 | 
                                    
                                    10.5%
                                 | 
| 8 | 8 don't know | 0 | 
                                    
                                    0%
                                 | 
| 9 | 9 no answer | 2 | 
                                    
                                    0.1%
                                 |