| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 3019 |
12.2%
|
| 2 | Monthly | 1702 |
6.9%
|
| 3 | Yearly | 725 |
2.9%
|
| 4 | Less often | 3026 |
12.2%
|
| 5 | Not at all | 16295 |
65.8%
|
| Sysmiss | 817 |