| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, WITHIN 24 HOURS | 14 |
0.9%
|
| 2 | YES, BUT NOT WITHIN 24 HOURS | 3 |
0.2%
|
| 8 | DK | 7 |
0.4%
|
| 9 | NO RESPONSE | 2 |
0.1%
|
| Sysmiss | 1538 |
98.3%
|