| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 16 |
11%
|
| 2 | Monthly | 68 |
46.9%
|
| 3 | Less than once a month | 34 |
23.4%
|
| 4 | Never | 23 |
15.9%
|
| 5 | Don't know | 4 |
2.8%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 856 |