| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 146 |
25.5%
|
| 2 | Monthly | 307 |
53.6%
|
| 3 | Less than once a month | 74 |
12.9%
|
| 4 | Never | 12 |
2.1%
|
| 5 | Don't know | 7 |
1.2%
|
| 6 | Refused | 27 |
4.7%
|
| Sysmiss | 427 |