| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 100 |
19.5%
|
| 2 | Monthly | 310 |
60.5%
|
| 3 | Less than once a month | 73 |
14.3%
|
| 4 | Never | 27 |
5.3%
|
| 5 | Don't know | 2 |
0.4%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 488 |