| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 25 |
0.8%
|
| 1 | rarely | 251 |
7.8%
|
| 2 | once a week | 566 |
17.7%
|
| 3 | more than once a week | 2359 |
73.7%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1769 |