| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9 | 
                                    
                                    7.7%
                                 | 
| 2 | Monthly | 23 | 
                                    
                                    19.7%
                                 | 
| 3 | A few times a year | 36 | 
                                    
                                    30.8%
                                 | 
| 4 | Rarely | 38 | 
                                    
                                    32.5%
                                 | 
| 5 | Never | 11 | 
                                    
                                    9.4%
                                 | 
| Sysmiss | 26 |