| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 17 |
1.2%
|
| 2 | Weekly | 13 |
0.9%
|
| 3 | Monthly | 20 |
1.5%
|
| 4 | Less than monthly | 78 |
5.7%
|
| 5 | Never | 1251 |
90.7%
|
| Sysmiss | 4888 |