| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Bi-weekly | 0 |
0%
|
| 3 | Monthly | 27 |
13.2%
|
| 4 | Quarterly | 53 |
25.9%
|
| 5 | Every six months | 47 |
22.9%
|
| 6 | Annually | 51 |
24.9%
|
| 7 | Every two years | 27 |
13.2%
|
| Sysmiss | 992 |