| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 85 |
10.8%
|
| 2 | Monthly | 612 |
78.1%
|
| 3 | Less than once a month | 68 |
8.7%
|
| 4 | Never | 11 |
1.4%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 8 |
1%
|
| Sysmiss | 216 |