| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 11 |
0%
|
| 1 | daily | 7667 |
12.1%
|
| 2 | frequently | 7721 |
12.2%
|
| 3 | occasionally | 10671 |
16.8%
|
| 4 | rarely/never | 36075 |
56.9%
|
| 8 | don't know | 450 |
0.7%
|
| 9 | no answer | 849 |
1.3%
|
| Sysmiss | 18573 |