| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2321 |
14.6%
|
| 2 | Weekly | 2029 |
12.7%
|
| 3 | Monthly | 1213 |
7.6%
|
| 4 | Yearly | 341 |
2.1%
|
| 5 | Not at all | 10031 |
62.9%
|
| Sysmiss | 8877 |