| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 1091 |
9.3%
|
| 2 | Sometimes. | 3682 |
31.3%
|
| 3 | Never | 6899 |
58.7%
|
| 4 | Don't know | 81 |
0.7%
|
| Sysmiss | 193 |