| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 680 |
88.5%
|
| 2 | Monthly | 52 |
6.8%
|
| 3 | Less than once a month | 16 |
2.1%
|
| 4 | Don't know | 15 |
2%
|
| 5 | Refused | 5 |
0.7%
|
| Sysmiss | 235 |