| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 13 |
0.4%
|
| 1 | rarely | 265 |
8.2%
|
| 2 | once a week | 609 |
18.9%
|
| 3 | more than once a week | 2338 |
72.5%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1745 |