| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 123 |
22.2%
|
| 2 | Monthly | 237 |
42.7%
|
| 3 | Less than once a month | 120 |
21.6%
|
| 4 | Never | 38 |
6.8%
|
| 5 | Don't know | 34 |
6.1%
|
| 6 | Refused | 3 |
0.5%
|
| Sysmiss | 496 |