| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 11 |
0.6%
|
| 2 | Weekly | 8 |
0.4%
|
| 3 | Monthly | 29 |
1.5%
|
| 4 | Less than monthly | 70 |
3.6%
|
| 5 | Never | 1805 |
93.9%
|
| Sysmiss | 3203 |