| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 10944 |
44.5%
|
| 2 | Monthly | 4091 |
16.6%
|
| 3 | Yearly | 1521 |
6.2%
|
| 4 | Less often | 3341 |
13.6%
|
| 5 | Not at all | 4695 |
19.1%
|
| Sysmiss | 516 |