| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 5552 |
99.7%
|
| 1 | 7 |
0.1%
|
|
| 2 | 5 |
0.1%
|
|
| 3 | 2 |
0%
|
|
| 9999995 | missing:impute | 0 |
0%
|