| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 32 |
13.7%
|
| 2 | Less than once a year | 29 |
12.4%
|
| 3 | Once a year to a few times a year | 114 |
48.9%
|
| 4 | Less than once a month | 19 |
8.2%
|
| 5 | At least once a month | 32 |
13.7%
|
| 6 | At least once a week | 7 |
3%
|
| -99 | 1 | ||
| Sysmiss | 26 |