| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 50 |
14.8%
|
| 2 | Monthly | 140 |
41.5%
|
| 3 | Less than once a month | 113 |
33.5%
|
| 4 | Never | 32 |
9.5%
|
| 5 | Don't know | 2 |
0.6%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 671 |