| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 39 |
17.3%
|
| 2 | Monthly | 108 |
48%
|
| 3 | Less than once a month | 49 |
21.8%
|
| 4 | Never | 11 |
4.9%
|
| 5 | Don't know | 2 |
0.9%
|
| 6 | Refused | 16 |
7.1%
|
| Sysmiss | 905 |