| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost everyday. | 232 |
3.8%
|
| 2 | Sometimes | 1768 |
29.2%
|
| 3 | Never | 3478 |
57.5%
|
| 4 | Do not know | 569 |
9.4%
|
| Sysmiss | 53 |