| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 6 |
0.2%
|
| 2 | Weekly | 32 |
0.8%
|
| 3 | Monthly | 76 |
1.9%
|
| 4 | Less than monthly | 420 |
10.6%
|
| 5 | Never | 3441 |
86.6%
|
| Sysmiss | 2679 |