| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Every two weeks | 1 |
0.6%
|
| 3 | Monthly | 91 |
57.2%
|
| 4 | Seasonally | 43 |
27%
|
| 5 | Once a year | 15 |
9.4%
|
| 6 | Other | 9 |
5.7%
|
| Sysmiss | 1704 |