| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 282 |
9.7%
|
| 2 | At least once a month | 180 |
6.2%
|
| 3 | Several times | 230 |
7.9%
|
| 4 | Once or twice | 186 |
6.4%
|
| 5 | Never | 2019 |
69.7%
|
| Sysmiss | 10 |