| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1127 |
4.6%
|
| 2 | Monthly | 1459 |
5.9%
|
| 3 | Yearly | 1635 |
6.6%
|
| 4 | Less often | 3283 |
13.3%
|
| 5 | Not at all | 17263 |
69.7%
|
| Sysmiss | 817 |