| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 28 |
24.6%
|
| 2 | Monthly | 33 |
28.9%
|
| 3 | Less than once a month | 38 |
33.3%
|
| 4 | Never | 10 |
8.8%
|
| 5 | Don't know | 4 |
3.5%
|
| 6 | Refused | 1 |
0.9%
|
| Sysmiss | 887 |