| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 13211 |
53.6%
|
| 2 | Monthly | 3111 |
12.6%
|
| 3 | Yearly | 1115 |
4.5%
|
| 4 | Less often | 2246 |
9.1%
|
| 5 | Not at all | 4967 |
20.2%
|
| Sysmiss | 510 |