| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 181 |
20.8%
|
| 0 | no | 655 |
75.3%
|
| 1 | yes | 34 |
3.9%
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|