| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 79 |
23.4%
|
| 2 | Monthly | 191 |
56.5%
|
| 3 | Less than once a month | 59 |
17.5%
|
| 4 | Don't know | 3 |
0.9%
|
| 5 | Refused | 6 |
1.8%
|
| Sysmiss | 665 |