| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 652 |
99.7%
|
| 0 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| 9999995 | missing:impute | 0 |
0%
|