| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 10 |
0.3%
|
| 1 | rarely | 375 |
12.4%
|
| 2 | once a week | 720 |
23.8%
|
| 3 | more than once a week | 1924 |
63.5%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1941 |