| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 241 |
24.6%
|
| 2 | Monthly | 608 |
62.2%
|
| 3 | Less than once a month | 116 |
11.9%
|
| 4 | Never | 11 |
1.1%
|
| 5 | Don't know | 2 |
0.2%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 22 |