| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 0 |
0%
|
| 2 | Every few weeks | 6 |
8.5%
|
| 3 | Every few months | 20 |
28.2%
|
| 4 | Not at all | 45 |
63.4%
|
| Sysmiss | 13 |