| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 0 |
0%
|
| 2 | Every few weeks | 11 |
8.1%
|
| 3 | Every few months | 35 |
25.7%
|
| 4 | Not at all | 90 |
66.2%
|
| Sysmiss | 30 |