| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 17 |
4%
|
| 2 | Monthly | 311 |
73.9%
|
| 3 | Less than once a month | 76 |
18.1%
|
| 4 | Never | 16 |
3.8%
|
| 5 | Don't know | 1 |
0.2%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 579 |