| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 189 |
33.8%
|
| 2 | Monthly | 217 |
38.8%
|
| 3 | Less than once a month | 114 |
20.4%
|
| 4 | Never | 30 |
5.4%
|
| 5 | Don't know | 6 |
1.1%
|
| 6 | Refused | 4 |
0.7%
|
| Sysmiss | 450 |