| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 35 |
5.9%
|
| 2 | Monthly | 464 |
78.4%
|
| 3 | Less than once a month | 46 |
7.8%
|
| 4 | Never | 36 |
6.1%
|
| 5 | Don't know | 5 |
0.8%
|
| 6 | Refused | 6 |
1%
|
| Sysmiss | 408 |