| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 15 |
10.3%
|
| 2 | Monthly | 64 |
44.1%
|
| 3 | Less than once a month | 41 |
28.3%
|
| 4 | Never | 22 |
15.2%
|
| 5 | Don't know | 3 |
2.1%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 856 |