| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 8239 |
33.4%
|
| 2 | Monthly | 5644 |
22.9%
|
| 3 | Yearly | 1186 |
4.8%
|
| 4 | Less often | 3918 |
15.9%
|
| 5 | Not at all | 5663 |
23%
|
| Sysmiss | 510 |