| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 20 |
10.4%
|
| 2 | Monthly | 130 |
67.7%
|
| 3 | Less than once a month | 35 |
18.2%
|
| 4 | Never | 7 |
3.6%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 808 |