| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 28 |
10%
|
| 2 | Monthly | 92 |
32.9%
|
| 3 | Less than once a month | 90 |
32.1%
|
| 4 | Never | 58 |
20.7%
|
| 5 | Don't know | 6 |
2.1%
|
| 6 | Refused | 6 |
2.1%
|
| Sysmiss | 720 |