| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 142 |
85%
|
| 1 | Less than monthly | 6 |
3.6%
|
| 2 | Monthly | 2 |
1.2%
|
| 3 | Weekly | 14 |
8.4%
|
| 4 | Daily or almost daily | 3 |
1.8%
|
| Sysmiss | 82 |