| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1177 |
4.8%
|
| 2 | Monthly | 1694 |
6.9%
|
| 3 | Yearly | 1480 |
6%
|
| 4 | Less often | 3045 |
12.4%
|
| 5 | Not at all | 17254 |
70%
|
| Sysmiss | 510 |