| Value | Category | Cases | |
|---|---|---|---|
| 1 | WEEKLY | 19 |
2.7%
|
| 2 | MONTHLY | 266 |
38.1%
|
| 3 | EVERY TWO MONTHS | 48 |
6.9%
|
| 4 | EVERY THREE MONTHS | 152 |
21.7%
|
| 99 | Other (specify) | 214 |
30.6%
|
| Sysmiss | 277 |