| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 70 |
14.4%
|
| 2 | Monthly | 106 |
21.8%
|
| 3 | Less than once a month | 220 |
45.2%
|
| 4 | Never | 89 |
18.3%
|
| 5 | Don't know | 2 |
0.4%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 514 |