| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 12 |
0.9%
|
| 2 | Weekly | 18 |
1.4%
|
| 3 | Monthly | 5 |
0.4%
|
| 4 | Less than monthly | 13 |
1%
|
| 5 | Never | 1264 |
96.3%
|
| Sysmiss | 1051 |