| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1046 |
4.2%
|
| 2 | Monthly | 1949 |
7.9%
|
| 3 | Yearly | 1833 |
7.4%
|
| 4 | Less often | 3252 |
13.2%
|
| 5 | Not at all | 16570 |
67.2%
|
| Sysmiss | 510 |