| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 59 |
20.6%
|
| 2 | Less than once a year | 72 |
25.2%
|
| 3 | Once a year to a few times a year | 116 |
40.6%
|
| 4 | Less than once a month | 8 |
2.8%
|
| 5 | At least once a month | 21 |
7.3%
|
| 6 | At least once a week | 10 |
3.5%
|