| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Every two weeks | 1 |
3.1%
|
| 3 | Monthly | 11 |
34.4%
|
| 4 | Seasonally | 5 |
15.6%
|
| 5 | Once a year | 6 |
18.8%
|
| 6 | Other | 9 |
28.1%
|
| Sysmiss | 1831 |