| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1765 |
18.1%
|
| 2 | No | 47 |
0.5%
|
| 8 | DK | 92 |
0.9%
|
| 9 | Missing | 1 |
0%
|
| Sysmiss | 7852 |
80.5%
|