| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 11810 |
47.9%
|
| 2 | Monthly | 3620 |
14.7%
|
| 3 | Yearly | 1205 |
4.9%
|
| 4 | Less often | 2313 |
9.4%
|
| 5 | Not at all | 5702 |
23.1%
|
| Sysmiss | 510 |