| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 19 |
0.5%
|
| 2 | Weekly | 28 |
0.7%
|
| 3 | Monthly | 33 |
0.9%
|
| 4 | Less than monthly | 78 |
2%
|
| 5 | Never | 3705 |
95.9%
|
| Sysmiss | 5937 |