| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 96 |
20.2%
|
| 2 | Monthly | 133 |
27.9%
|
| 3 | Less than once a month | 232 |
48.7%
|
| 4 | Never | 14 |
2.9%
|
| 5 | Don't know | 1 |
0.2%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 524 |