| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
0.1%
|
| -3 | Missing | 150 |
7.4%
|
| 1 | Every day | 90 |
4.5%
|
| 2 | Several times a week | 209 |
10.4%
|
| 3 | Several times a month | 701 |
34.8%
|
| 4 | Several times a year | 695 |
34.5%
|
| 5 | Never | 168 |
8.3%
|
| Sysmiss | 7589 |