| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 397 |
12.3%
|
|
| 1 | Yes | 1246 |
38.6%
|
| 2 | No | 1568 |
48.5%
|
| 9 | Don't know | 19 |
0.6%
|
| Sysmiss | 2130 |