| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12 |
2.9%
|
| 2 | Monthly | 190 |
46%
|
| 3 | Less than once a month | 90 |
21.8%
|
| 4 | Never | 113 |
27.4%
|
| 5 | Don't know | 8 |
1.9%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 587 |