| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1138 |
4.6%
|
| 2 | Monthly | 1083 |
4.4%
|
| 3 | Yearly | 1001 |
4%
|
| 4 | Less often | 2255 |
9.1%
|
| 5 | Not at all | 19290 |
77.9%
|
| Sysmiss | 817 |