| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1 |
0.4%
|
| 2 | Every two weeks | 2 |
0.7%
|
| 3 | Monthly | 71 |
25.7%
|
| 4 | Seasonally | 76 |
27.5%
|
| 5 | Once a year | 73 |
26.4%
|
| 6 | Other | 53 |
19.2%
|
| Sysmiss | 1587 |