| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, WITHIN 24 HOURS | 19 |
2.7%
|
| 2 | YES, BUT NOT WITHIN 24 HOURS | 1 |
0.1%
|
| 8 | DK | 2 |
0.3%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 680 |
96.7%
|