| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other: specify | 3 | 
                                    
                                    2.4%
                                 | 
| 1 | Daily | 11 | 
                                    
                                    8.9%
                                 | 
| 2 | Once a week | 33 | 
                                    
                                    26.6%
                                 | 
| 3 | Twice a month | 24 | 
                                    
                                    19.4%
                                 | 
| 4 | Monthly | 34 | 
                                    
                                    27.4%
                                 | 
| 5 | As necessary | 19 | 
                                    
                                    15.3%
                                 | 
| Sysmiss | 7 |