| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 10 |
0.8%
|
| 2 | Weekly | 11 |
0.8%
|
| 3 | Monthly | 8 |
0.6%
|
| 4 | Less than monthly | 30 |
2.3%
|
| 5 | Never | 1253 |
95.5%
|
| Sysmiss | 1051 |