| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 25 |
16.8%
|
| 2 | Monthly | 36 |
24.2%
|
| 3 | Less than once a month | 52 |
34.9%
|
| 4 | Never | 31 |
20.8%
|
| 5 | Don't know | 5 |
3.4%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 851 |