| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 44 |
20%
|
| 2 | Monthly | 116 |
52.7%
|
| 3 | Less than once a month | 52 |
23.6%
|
| 4 | Never | 6 |
2.7%
|
| 5 | Don't know | 2 |
0.9%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 780 |