| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 94 |
16.9%
|
| 2 | Monthly | 237 |
42.7%
|
| 3 | Less than once a month | 132 |
23.8%
|
| 4 | Never | 62 |
11.2%
|
| 5 | Don't know | 28 |
5%
|
| 6 | Refused | 2 |
0.4%
|
| Sysmiss | 496 |