| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 7993 |
44.4%
|
| 2 | Once/several times a week | 6933 |
38.5%
|
| 3 | Once/several times a month | 2413 |
13.4%
|
| 4 | Once/several times a year | 486 |
2.7%
|
| 5 | Never | 166 |
0.9%
|
| 98 | dk | 17 |
0.1%
|
| 99 | refuse | 2 |
0%
|
| Sysmiss | 1990 |