| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 10 |
12.5%
|
| 2 | Monthly | 36 |
45%
|
| 3 | Less than once a month | 25 |
31.3%
|
| 4 | Don't know | 8 |
10%
|
| 5 | Refused | 1 |
1.3%
|
| Sysmiss | 920 |