| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 30 |
11.2%
|
| 43 | 40 |
14.9%
|
|
| 131 | 10 |
3.7%
|
|
| 218 | 12 |
4.5%
|
|
| 306 | 31 |
11.5%
|
|
| 362 | 21 |
7.8%
|
|
| 425 | 36 |
13.4%
|
|
| 500 | 41 |
15.2%
|
|
| 9999995 | missing:impute | 48 |
17.8%
|