| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 10169 |
46.9%
|
| 2 | Weekly | 6061 |
28%
|
| 3 | Monthly | 1428 |
6.6%
|
| 4 | Yearly | 150 |
0.7%
|
| 5 | Not at all | 3869 |
17.8%
|
| Sysmiss | 3431 |