| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost everyday. | 148 |
2.4%
|
| 2 | Sometimes | 690 |
11.4%
|
| 3 | Never | 4788 |
78.9%
|
| 4 | Do not know | 443 |
7.3%
|
| Sysmiss | 31 |