| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2802 |
37.2%
|
| 2 | At least once a week | 2156 |
28.6%
|
| 3 | Infrequently | 1557 |
20.7%
|
| 4 | Never | 1012 |
13.4%
|
| 98 | Don't know | 8 |
0.1%
|
| Sysmiss | 34477 |