| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 33 |
10.8%
|
| 2 | Less than once a year | 44 |
14.4%
|
| 3 | Once a year to a few times a year | 125 |
40.8%
|
| 4 | Less than once a month | 31 |
10.1%
|
| 5 | At least once a month | 51 |
16.7%
|
| 6 | At least once a week | 22 |
7.2%
|
| -99 | 1 | ||
| Sysmiss | 45 |