| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 13 |
5.9%
|
| 2 | Monthly | 90 |
40.9%
|
| 3 | Less than once a month | 109 |
49.5%
|
| 4 | Never | 8 |
3.6%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 780 |