| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 51 | 
                                    
                                    7.2%
                                 | 
| 2 | Once or twice a year | 48 | 
                                    
                                    6.8%
                                 | 
| 3 | A few times a year but not every month | 110 | 
                                    
                                    15.6%
                                 | 
| 4 | About once a month | 122 | 
                                    
                                    17.3%
                                 | 
| 5 | A few teims a month but not every week | 194 | 
                                    
                                    27.4%
                                 | 
| 6 | About once a week | 59 | 
                                    
                                    8.3%
                                 | 
| 7 | A few times a week but not every day | 97 | 
                                    
                                    13.7%
                                 | 
| 8 | Every day or nearly every day | 26 | 
                                    
                                    3.7%
                                 | 
| Sysmiss | 293 |