| Value | Category | Cases | |
|---|---|---|---|
| 1 | weekly | 2 |
13.3%
|
| 2 | biweekly | 2 |
13.3%
|
| 3 | monthly | 2 |
13.3%
|
| 4 | biannually | 6 |
40%
|
| 5 | annually | 2 |
13.3%
|
| 6 | never | 1 |
6.7%
|
| 7 | other | 0 |
0%
|
| 8 | daily | 0 |
0%
|
| 9 | quarterly | 0 |
0%
|
| Sysmiss | 1378 |