| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4042 |
16.4%
|
| 2 | Monthly | 702 |
2.8%
|
| 3 | Yearly | 663 |
2.7%
|
| 4 | Less often | 1617 |
6.6%
|
| 5 | Not at all | 17626 |
71.5%
|
| Sysmiss | 510 |