| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 22 |
5.1%
|
| 2 | Monthly | 106 |
24.5%
|
| 3 | Less than once a month | 177 |
41%
|
| 4 | Never | 92 |
21.3%
|
| 5 | Don't know | 30 |
6.9%
|
| 6 | Refused | 5 |
1.2%
|
| Sysmiss | 568 |