| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 29 |
42.6%
|
| 2 | Monthly | 16 |
23.5%
|
| 3 | Less than once a month | 22 |
32.4%
|
| 4 | Don't know | 1 |
1.5%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 933 |