| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 24 |
0.9%
|
| 2 | Weekly | 17 |
0.6%
|
| 3 | Monthly | 5 |
0.2%
|
| 4 | Less than monthly | 26 |
1%
|
| 5 | Never | 2606 |
97.3%
|
| Sysmiss | 1374 |