| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 49 | 
                                    
                                    13.9%
                                 | 
| 2 | Weekly | 34 | 
                                    
                                    9.7%
                                 | 
| 3 | Fort-nightly | 10 | 
                                    
                                    2.8%
                                 | 
| 4 | Monthly | 169 | 
                                    
                                    48%
                                 | 
| 5 | Quarterly | 4 | 
                                    
                                    1.1%
                                 | 
| 6 | Yearly | 86 | 
                                    
                                    24.4%
                                 | 
| Sysmiss | 10523 |