| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 515 |
2.1%
|
| 2 | Monthly | 4967 |
20.2%
|
| 3 | Yearly | 6350 |
25.8%
|
| 4 | Less often | 7514 |
30.6%
|
| 5 | Not at all | 5246 |
21.3%
|
| Sysmiss | 516 |