| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 98 |
17.7%
|
| 2 | Monthly | 270 |
48.6%
|
| 3 | Less than once a month | 120 |
21.6%
|
| 4 | Never | 39 |
7%
|
| 5 | Don't know | 26 |
4.7%
|
| 6 | Refused | 2 |
0.4%
|
| Sysmiss | 496 |