| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 14 |
0.6%
|
| 2 | Weekly | 15 |
0.6%
|
| 3 | Monthly | 27 |
1.1%
|
| 4 | Less than monthly | 125 |
5%
|
| 5 | Never | 2316 |
92.8%
|
| Sysmiss | 1707 |