| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 446 |
51%
|
| 2 | Monthly | 314 |
35.9%
|
| 3 | Less than once a month | 47 |
5.4%
|
| 4 | Never | 11 |
1.3%
|
| 5 | Don't know | 36 |
4.1%
|
| 6 | Refused | 21 |
2.4%
|
| Sysmiss | 128 |