| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 355 |
42.6%
|
| 2 | Monthly | 364 |
43.6%
|
| 3 | Less than once a month | 68 |
8.2%
|
| 4 | Never | 19 |
2.3%
|
| 5 | Don't know | 18 |
2.2%
|
| 6 | Refused | 10 |
1.2%
|
| Sysmiss | 166 |