| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 789 |
3.2%
|
| 2 | Monthly | 993 |
4%
|
| 3 | Yearly | 1289 |
5.2%
|
| 4 | Less often | 2567 |
10.4%
|
| 5 | Not at all | 19012 |
77.1%
|
| Sysmiss | 510 |