| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 315 |
7.2%
|
| 2 | Once a week | 915 |
20.8%
|
| 3 | Once a month | 920 |
20.9%
|
| 4 | Not at all | 2253 |
51.1%
|
| Sysmiss | 2 |