Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 2650 |
96.6%
|
2016 | 7 |
0.3%
|
|
2017 | 86 |
3.1%
|
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 40 |