| Value | Category | Cases | |
|---|---|---|---|
| -9 | DK | 0 | 
                                    
                                    0%
                                 | 
| 1 | Daily | 25 | 
                                    
                                    14%
                                 | 
| 2 | Weekly | 58 | 
                                    
                                    32.6%
                                 | 
| 3 | Fortnightly | 12 | 
                                    
                                    6.7%
                                 | 
| 4 | Monthly | 27 | 
                                    
                                    15.2%
                                 | 
| 5 | Quarterly | 1 | 
                                    
                                    0.6%
                                 | 
| 6 | Semi-annually | 0 | 
                                    
                                    0%
                                 | 
| 7 | Yearly | 1 | 
                                    
                                    0.6%
                                 | 
| 8 | None | 54 | 
                                    
                                    30.3%
                                 | 
| Sysmiss | 1900 |