| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few DAYS | 3 |
2.2%
|
| 2 | Every few WEEKS | 18 |
13.3%
|
| 3 | Every few MONTHS | 33 |
24.4%
|
| 4 | Not at all | 81 |
60%
|
| Sysmiss | 40 |