| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 21 |
2.6%
|
| 2 | Weekly | 35 |
4.3%
|
| 3 | Monthly | 54 |
6.6%
|
| 4 | Less than monthly | 40 |
4.9%
|
| 5 | Never | 670 |
81.7%
|
| Sysmiss | 618 |