| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 70 |
7.4%
|
| 2 | Monthly | 800 |
84.3%
|
| 3 | Less than once a month | 64 |
6.7%
|
| 4 | Never | 6 |
0.6%
|
| 5 | Don't know | 8 |
0.8%
|
| 6 | Refused | 1 |
0.1%
|
| Sysmiss | 51 |