| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 8 |
0.4%
|
| 2 | Weekly | 11 |
0.6%
|
| 3 | Monthly | 13 |
0.7%
|
| 4 | Less than monthly | 78 |
4.1%
|
| 5 | Never | 1812 |
94.2%
|
| 9 | Don't know | 1 |
0.1%
|
| Sysmiss | 1835 |