| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes, weekly | 7 |
0.1%
|
| 2 | yes, monthly | 466 |
7.8%
|
| 3 | yes, yearly | 326 |
5.5%
|
| 4 | no | 5143 |
86.6%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 543 |