| Value | Category | Cases | |
|---|---|---|---|
| 1 | Did not occur | 482 | 
                                    
                                    2.8%
                                 | 
| 2 | 1-2 times during the year | 2370 | 
                                    
                                    13.7%
                                 | 
| 3 | 3-4 times during the year | 4148 | 
                                    
                                    23.9%
                                 | 
| 4 | Once a month | 4509 | 
                                    
                                    26%
                                 | 
| 5 | Once a week | 2735 | 
                                    
                                    15.8%
                                 | 
| 6 | More than once a week | 3117 | 
                                    
                                    18%
                                 | 
| 7 | N/A | 401 | |
| 8 | Invalid | 10 | |
| 9 | Missing | 367 |