| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 79 |
12.9%
|
| 2 | Monthly | 299 |
48.7%
|
| 3 | Less than once a month | 129 |
21%
|
| 4 | Never | 48 |
7.8%
|
| 5 | Don't know | 57 |
9.3%
|
| 6 | Refused | 2 |
0.3%
|
| Sysmiss | 406 |