| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 23 |
11.6%
|
| 2 | Monthly | 86 |
43.2%
|
| 3 | Less than once a month | 72 |
36.2%
|
| 4 | Never | 14 |
7%
|
| 5 | Don't know | 1 |
0.5%
|
| 6 | Refused | 3 |
1.5%
|
| Sysmiss | 801 |