| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 4 |
1.6%
|
| 0 | 222 |
91%
|
|
| 1 | 17 |
7%
|
|
| 5 | 1 |
0.4%
|
|
| 9999995 | missing:impute | 0 |
0%
|