| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1 |
1.2%
|
| 2 | Every two weeks | 2 |
2.4%
|
| 3 | Monthly | 39 |
47.6%
|
| 4 | Seasonally | 21 |
25.6%
|
| 5 | Once a year | 8 |
9.8%
|
| 6 | Other | 11 |
13.4%
|
| Sysmiss | 1781 |