| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 96 |
16.1%
|
| 2 | Monthly | 190 |
31.9%
|
| 3 | Less than once a month | 288 |
48.4%
|
| 4 | Never | 11 |
1.8%
|
| 5 | Don't know | 10 |
1.7%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 405 |