| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few DAYS | 8 |
5.6%
|
| 2 | Every few WEEKS | 15 |
10.4%
|
| 3 | Every few MONTHS | 79 |
54.9%
|
| 4 | Not at all | 42 |
29.2%
|
| Sysmiss | 31 |