| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 2 |
1.1%
|
| 2 | Every few weeks | 8 |
4.5%
|
| 3 | Every few months | 26 |
14.7%
|
| 4 | Not at all | 108 |
61%
|
| NA | 33 |
18.6%
|