| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 44 |
5.3%
|
| 2 | Monthly | 714 |
85.6%
|
| 3 | Less than once a month | 47 |
5.6%
|
| 4 | Never | 17 |
2%
|
| 5 | Don't know | 4 |
0.5%
|
| 6 | Refused | 8 |
1%
|
| Sysmiss | 166 |