Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 2737 |
99.8%
|
2016 | 2 |
0.1%
|
|
2017 | 4 |
0.1%
|
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 40 |