| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 5 |
1.9%
|
| 2 | Weekly | 6 |
2.3%
|
| 3 | Monthly | 4 |
1.5%
|
| 4 | Less than monthly | 13 |
5%
|
| 5 | Never | 215 |
83%
|
| 88 | 16 |
6.2%
|
|
| Sysmiss | 1640 |