| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 51 |
2.1%
|
| 2 | Weekly | 27 |
1.1%
|
| 3 | Monthly | 21 |
0.9%
|
| 4 | Less than monthly | 76 |
3.1%
|
| 5 | Never | 2241 |
92.8%
|
| Sysmiss | 3159 |