| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 22 | 
                                    
                                    3.7%
                                 | 
| 2 | weekly | 66 | 
                                    
                                    11.2%
                                 | 
| 3 | EVERY 2 WEEKS | 25 | 
                                    
                                    4.3%
                                 | 
| 4 | monthly | 91 | 
                                    
                                    15.5%
                                 | 
| 5 | EVERY 3 MONTHS | 17 | 
                                    
                                    2.9%
                                 | 
| 6 | EVERY 6 MONTHS | 10 | 
                                    
                                    1.7%
                                 | 
| 7 | LESS OFTEN | 355 | 
                                    
                                    60.5%
                                 | 
| 8 | never | 1 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 402 |