| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 16 |
0.5%
|
| 1 | rarely | 397 |
13.1%
|
| 2 | once a week | 706 |
23.4%
|
| 3 | more than once a week | 1901 |
62.9%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1950 |