| Value | Category | Cases | |
|---|---|---|---|
| 1 | About every day | 1137 |
11.4%
|
| 2 | Sometimes | 3546 |
35.5%
|
| 3 | Never | 3483 |
34.9%
|
| 4 | Don't know | 1821 |
18.2%
|
| Sysmiss | 5 |