| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 16 |
8.5%
|
| 2 | Monthly | 81 |
42.9%
|
| 3 | Less than once a month | 84 |
44.4%
|
| 4 | Never | 8 |
4.2%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 813 |