| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 1 | yes | 206 |
23.7%
|
| 2 | no | 662 |
76.1%
|
| 9999995 | missing:impute | 2 |
0.2%
|