| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 134 |
16.1%
|
| 2 | Monthly | 538 |
64.8%
|
| 3 | Less than once a month | 141 |
17%
|
| 4 | Never | 8 |
1%
|
| 5 | Don't know | 5 |
0.6%
|
| 6 | Refused | 4 |
0.5%
|
| Sysmiss | 170 |