| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 12 |
0.4%
|
| 1 | rarely | 388 |
12.6%
|
| 2 | once a week | 719 |
23.3%
|
| 3 | more than once a week | 1965 |
63.7%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1886 |