| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 758 |
87.1%
|
| 1 | yes | 49 |
5.6%
|
| 2 | no | 62 |
7.1%
|
| 9999995 | missing:impute | 1 |
0.1%
|