| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1055 |
18.6%
|
| 2 | Weekly | 2449 |
43.1%
|
| 3 | Monthly | 1053 |
18.5%
|
| 4 | Occasionally | 1126 |
19.8%
|
| Sysmiss | 758 |