| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 6791 |
66.1%
|
| 2 | Daily | 952 |
9.3%
|
| 3 | Weekly | 384 |
3.7%
|
| 4 | Monthly | 1849 |
18%
|
| 5 | Less than monthly | 293 |
2.9%
|
| Sysmiss | 38538 |