| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 63 |
21.2%
|
| 2 | Monthly | 106 |
35.7%
|
| 3 | Less than once a month | 127 |
42.8%
|
| 4 | Don't know | 1 |
0.3%
|
| 5 | Refused | 0 |
0%
|
| Sysmiss | 703 |