| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 55 |
13.3%
|
| 2 | Monthly | 163 |
39.5%
|
| 3 | Less than once a month | 87 |
21.1%
|
| 4 | Never | 100 |
24.2%
|
| 5 | Don't know | 8 |
1.9%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 587 |