| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 8 |
0.4%
|
| 2 | Weekly | 11 |
0.6%
|
| 3 | Monthly | 32 |
1.7%
|
| 4 | Less than monthly | 232 |
12.1%
|
| 5 | Never | 1639 |
85.2%
|
| 9 | Don't know | 1 |
0.1%
|
| Sysmiss | 1835 |