| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9 |
4.1%
|
| 2 | Monthly | 61 |
27.7%
|
| 3 | Less than once a month | 83 |
37.7%
|
| 4 | Never | 65 |
29.5%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 2 |
0.9%
|
| Sysmiss | 780 |