| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 58 |
12.1%
|
| 2 | Monthly | 262 |
54.6%
|
| 3 | Less than once a month | 86 |
17.9%
|
| 4 | Never | 57 |
11.9%
|
| 5 | Don't know | 17 |
3.5%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 571 |