| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 330 |
40.5%
|
| 2 | Monthly | 238 |
29.2%
|
| 3 | Less than once a month | 204 |
25.1%
|
| 4 | Never | 25 |
3.1%
|
| 5 | Don't know | 14 |
1.7%
|
| 6 | Refused | 3 |
0.4%
|
| Sysmiss | 186 |