| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 95 |
29.4%
|
| 2 | Monthly | 60 |
18.6%
|
| 3 | Less than once a month | 161 |
49.8%
|
| 4 | Never | 6 |
1.9%
|
| 5 | Don't know | 1 |
0.3%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 677 |