| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 0 |
0%
|
| 2 | Every few weeks | 18 |
9.2%
|
| 3 | Every few months | 81 |
41.5%
|
| 4 | Not at all | 96 |
49.2%
|
| Sysmiss | 7 |