| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 7 |
3%
|
| 2 | Every few weeks | 29 |
12.3%
|
| 3 | Every few months | 100 |
42.4%
|
| 4 | Not at all | 100 |
42.4%
|
| Sysmiss | 53 |