| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 0 |
0%
|
| 2 | Every two weeks | 0 |
0%
|
| 3 | Monthly | 3 |
60%
|
| 4 | Seasonally | 0 |
0%
|
| 5 | Once a year | 1 |
20%
|
| 6 | Other | 1 |
20%
|
| Sysmiss | 1858 |