| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 56 |
20.7%
|
| 2 | Monthly | 85 |
31.4%
|
| 3 | Less than once a month | 108 |
39.9%
|
| 4 | Never | 20 |
7.4%
|
| 5 | Don't know | 1 |
0.4%
|
| 6 | Refused | 1 |
0.4%
|
| Sysmiss | 729 |