| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 113 | 
                                    
                                    9.5%
                                 | 
| 2 | Weekly | 97 | 
                                    
                                    8.2%
                                 | 
| 3 | Monthly | 108 | 
                                    
                                    9.1%
                                 | 
| 4 | Less than monthly | 121 | 
                                    
                                    10.2%
                                 | 
| 5 | Never | 751 | 
                                    
                                    63.1%
                                 |