| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2379 |
9.6%
|
| 2 | Monthly | 4499 |
18.2%
|
| 3 | Yearly | 1608 |
6.5%
|
| 4 | Less often | 3708 |
15%
|
| 5 | Not at all | 12573 |
50.8%
|
| Sysmiss | 817 |