| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 9 |
10.1%
|
| 2 | Monthly | 34 |
38.2%
|
| 3 | Less than once a month | 27 |
30.3%
|
| 4 | Never | 18 |
20.2%
|
| 5 | Don't know | 1 |
1.1%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 912 |