| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 85 |
19.2%
|
| 2 | Monthly | 243 |
55%
|
| 3 | Less than once a month | 97 |
21.9%
|
| 4 | Never | 13 |
2.9%
|
| 5 | Don't know | 2 |
0.5%
|
| 6 | Refused | 2 |
0.5%
|
| Sysmiss | 558 |