| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 2110 |
8.6%
|
| 2 | Monthly | 2106 |
8.6%
|
| 3 | Yearly | 1920 |
7.8%
|
| 4 | Less often | 3074 |
12.5%
|
| 5 | Not at all | 15382 |
62.5%
|
| Sysmiss | 516 |