| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 447 |
9.9%
|
| 2 | Sometimes | 1297 |
28.8%
|
| 3 | Never | 2743 |
60.9%
|
| 4 | Don't know | 17 |
0.4%
|
| Sysmiss | 18 |