| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2292 |
9.3%
|
| 2 | Monthly | 2847 |
11.5%
|
| 3 | Yearly | 1338 |
5.4%
|
| 4 | Less often | 3069 |
12.5%
|
| 5 | Not at all | 15104 |
61.3%
|
| Sysmiss | 510 |