| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 344 |
12.9%
|
| 2 | Monthly | 817 |
30.5%
|
| 3 | Less than once a month | 978 |
36.5%
|
| 4 | Never | 531 |
19.8%
|
| 5 | Don't know | 5 |
0.2%
|
| 6 | Refused | 1 |
0%
|
| Sysmiss | 324 |