| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 922 |
42%
|
| 1 | occasionally | 735 |
33.5%
|
| 2 | weekly | 334 |
15.2%
|
| 3 | daily | 204 |
9.3%
|
| Sysmiss | 12881 |