| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 1 |
0.8%
|
| 2 | Monthly | 49 |
40.8%
|
| 3 | Less than once a month | 66 |
55%
|
| 4 | Don't know | 2 |
1.7%
|
| 5 | Refused | 2 |
1.7%
|
| Sysmiss | 880 |