| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 241 |
11.9%
|
| 2 | Sometimes. | 457 |
22.5%
|
| 3 | Never | 1105 |
54.4%
|
| 4 | Don't know | 228 |
11.2%
|
| Sysmiss | 16 |