| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 7 |
2.3%
|
| 2 | Every few weeks | 22 |
7.3%
|
| 3 | Every few months | 131 |
43.7%
|
| 4 | Not at all | 56 |
18.7%
|
| NA | 84 |
28%
|