| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12368 |
49.9%
|
| 2 | Monthly | 3524 |
14.2%
|
| 3 | Yearly | 1016 |
4.1%
|
| 4 | Less often | 3386 |
13.7%
|
| 5 | Not at all | 4473 |
18.1%
|
| Sysmiss | 817 |