| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 29 |
8.2%
|
| 2 | Weekly | 51 |
14.4%
|
| 3 | Monthly | 25 |
7%
|
| 4 | Less than monthly | 63 |
17.7%
|
| 5 | Never | 187 |
52.7%
|
| Sysmiss | 1801 |