| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 2289 |
99.1%
|
| 2 | 2 |
0.1%
|
|
| 4 | 14 |
0.6%
|
|
| 8 | 4 |
0.2%
|
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 474 |