| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 22 |
27.2%
|
| 2 | Monthly | 28 |
34.6%
|
| 3 | Less than once a month | 19 |
23.5%
|
| 4 | Never | 12 |
14.8%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 919 |