| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Every two weeks | 0 |
0%
|
| 3 | Monthly | 14 |
53.8%
|
| 4 | Seasonally | 4 |
15.4%
|
| 5 | Once a year | 4 |
15.4%
|
| 6 | Other | 4 |
15.4%
|
| Sysmiss | 1837 |