| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 25 |
5.1%
|
| 2 | Every few weeks | 101 |
20.7%
|
| 3 | Every few months | 238 |
48.7%
|
| 4 | Not at all | 125 |
25.6%
|
| -99 | 37 | ||
| 11 | 1 | ||
| Sysmiss | 53 |