| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 109 |
16.2%
|
| 2 | Monthly | 390 |
57.9%
|
| 3 | Less than once a month | 158 |
23.5%
|
| 4 | Never | 16 |
2.4%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 327 |