| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 260 |
31.8%
|
| 2 | Monthly | 471 |
57.6%
|
| 3 | Less than once a month | 62 |
7.6%
|
| 4 | Never | 15 |
1.8%
|
| 5 | Don't know | 5 |
0.6%
|
| 6 | Refused | 5 |
0.6%
|
| Sysmiss | 182 |