| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 397 |
12.3%
|
|
| 1 | Yes | 1769 |
54.8%
|
| 2 | No | 1059 |
32.8%
|
| 9 | Don't know | 5 |
0.2%
|
| Sysmiss | 2130 |