| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 117 |
28.9%
|
| 0 | 285 |
70.4%
|
|
| 2 | 2 |
0.5%
|
|
| 3 | 1 |
0.2%
|
|
| 9999995 | missing:impute | 0 |
0%
|