| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 240 |
2.9%
|
| 2 | Monthly | 2642 |
32.1%
|
| 3 | Quarterly | 1692 |
20.6%
|
| 4 | Annually | 1458 |
17.7%
|
| 5 | Other (specify) | 241 |
2.9%
|
| 6 | No | 1958 |
23.8%
|
| Sysmiss | 8105 |