| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every Month | 16 | 
                                    
                                    16.8%
                                 | 
| 2 | Every 3 Month | 7 | 
                                    
                                    7.4%
                                 | 
| 3 | Every 6 month | 12 | 
                                    
                                    12.6%
                                 | 
| 4 | Every 12 Month | 21 | 
                                    
                                    22.1%
                                 | 
| 5 | One Time Only | 27 | 
                                    
                                    28.4%
                                 | 
| 99 | Other | 12 | 
                                    
                                    12.6%
                                 | 
| Sysmiss | 248 |