| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 43 |
21.1%
|
| 2 | Monthly | 70 |
34.3%
|
| 3 | Less than once a month | 78 |
38.2%
|
| 4 | Never | 11 |
5.4%
|
| 5 | Don't know | 2 |
1%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 796 |