| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 0 |
0%
|
| 2 | Every few weeks | 21 |
10.7%
|
| 3 | Every few months | 101 |
51.5%
|
| 4 | Not at all | 74 |
37.8%
|
| Sysmiss | 6 |