| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 74 |
8.6%
|
| 2 | Monthly | 737 |
85.2%
|
| 3 | Less than once a month | 30 |
3.5%
|
| 4 | Never | 17 |
2%
|
| 5 | Don't know | 3 |
0.3%
|
| 6 | Refused | 4 |
0.5%
|
| Sysmiss | 135 |