| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 4 |
36.4%
|
| 1 | yes, last 24 hours | 3 |
27.3%
|
| 2 | yes, last 2-14 days | 1 |
9.1%
|
| 8 | don't know | 3 |
27.3%
|
| Sysmiss | 5410 |