| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 28 |
16.7%
|
| 2 | Less than once a year | 33 |
19.6%
|
| 3 | Once a year to a few times a year | 69 |
41.1%
|
| 4 | Less than once a month | 11 |
6.5%
|
| 5 | At least once a month | 17 |
10.1%
|
| 6 | At least once a week | 7 |
4.2%
|
| -99 | 3 |
1.8%
|
|
| Sysmiss | 23 |