| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 318 |
7.2%
|
| 2 | Weekly | 2514 |
56.9%
|
| 3 | Monthly | 1569 |
35.5%
|
| 4 | Occasionally | 16 |
0.4%
|
| Sysmiss | 11394 |