| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 18 | 
                                
                                7.9%
                             | 
| 2 | Once in two months | 7 | 
                                
                                3.1%
                             | 
| 3 | Termly | 181 | 
                                
                                79.7%
                             | 
| 4 | Bi-Annually | 6 | 
                                
                                2.6%
                             | 
| 5 | Yearly | 6 | 
                                
                                2.6%
                             | 
| 6 | Never | 3 | 
                                
                                1.3%
                             | 
| 7 | Thrice a year | 1 | 
                                
                                0.4%
                             | 
| 8 | Quarterly | 2 | 
                                
                                0.9%
                             | 
| 9 | Adhoc | 1 | 
                                
                                0.4%
                             | 
| 10 | Twice in a term | 2 | 
                                
                                0.9%
                             | 
| 96 | Other(Specify) | 0 | 
                                
                                0%
                             | 
| Sysmiss | 23 |