| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 4854 |
29.6%
|
| 2 | Monthly | 4759 |
29%
|
| 3 | Less than once a month | 5931 |
36.1%
|
| 4 | Never | 585 |
3.6%
|
| 5 | Don't know | 253 |
1.5%
|
| 6 | Refused | 28 |
0.2%
|
| Sysmiss | 127680 |