| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 20 |
0.6%
|
| 2 | Weekly | 47 |
1.4%
|
| 3 | Monthly | 47 |
1.4%
|
| 4 | Less than monthly | 286 |
8.7%
|
| 5 | Never | 2822 |
85.9%
|
| 77 | 36 |
1.1%
|
|
| 88 | 29 |
0.9%
|
|
| Sysmiss | 1122 |