| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | About once every two or three months | 145 | 
                                    
                                    12.1%
                                 | 
| 2 | About once a month | 139 | 
                                    
                                    11.6%
                                 | 
| 3 | Two or three times a month | 208 | 
                                    
                                    17.3%
                                 | 
| 4 | About once a week | 124 | 
                                    
                                    10.3%
                                 | 
| 5 | Several times a week | 254 | 
                                    
                                    21.2%
                                 | 
| 6 | Every day | 256 | 
                                    
                                    21.3%
                                 | 
| 7 | Not applicable | 70 | 
                                    
                                    5.8%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 4 | 
                                    
                                    0.3%
                                 |