| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 352 |
47.8%
|
| 2 | Monthly | 269 |
36.5%
|
| 3 | Less than once a month | 73 |
9.9%
|
| 4 | Never | 18 |
2.4%
|
| 5 | Don't know | 12 |
1.6%
|
| 6 | Refused | 13 |
1.8%
|
| Sysmiss | 263 |