| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 35 |
1.5%
|
| 2 | Weekly | 38 |
1.6%
|
| 3 | Monthly | 58 |
2.4%
|
| 4 | Less than monthly | 100 |
4.1%
|
| 5 | Never | 2179 |
90.4%
|
| Sysmiss | 2153 |