| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 13 |
0.6%
|
| 2 | Weekly | 24 |
1.1%
|
| 3 | Monthly | 27 |
1.2%
|
| 4 | Less than monthly | 96 |
4.4%
|
| 5 | Never | 2033 |
92.7%
|
| Sysmiss | 771 |