| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 10 |
2.7%
|
| 2 | Every few weeks | 47 |
12.8%
|
| 3 | Every few months | 157 |
42.7%
|
| 4 | Not at all | 100 |
27.2%
|
| Sysmiss | 54 |
14.7%
|