| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 87 |
26.9%
|
| 2 | Monthly | 57 |
17.6%
|
| 3 | Less than once a month | 170 |
52.6%
|
| 4 | Never | 9 |
2.8%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 677 |