| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 309 |
46.7%
|
| 2 | Monthly | 235 |
35.5%
|
| 3 | Less than once a month | 69 |
10.4%
|
| 4 | Never | 34 |
5.1%
|
| 5 | Don't know | 10 |
1.5%
|
| 6 | Refused | 5 |
0.8%
|
| Sysmiss | 338 |