| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 28 |
2.1%
|
| 2 | Weekly | 38 |
2.8%
|
| 3 | Monthly | 58 |
4.3%
|
| 4 | Less than monthly | 161 |
12%
|
| 5 | Never | 1060 |
78.8%
|
| Sysmiss | 4248 |