| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 2 |
1.1%
|
| 2 | Every few weeks | 9 |
5.1%
|
| 3 | Every few months | 65 |
36.7%
|
| 4 | Not at all | 73 |
41.2%
|
| NA | 28 |
15.8%
|