| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 946 |
3.8%
|
| 2 | Monthly | 750 |
3%
|
| 3 | Yearly | 985 |
4%
|
| 4 | Less often | 2565 |
10.4%
|
| 5 | Not at all | 19404 |
78.7%
|
| Sysmiss | 510 |