| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 0 | no | 34 |
3.9%
|
| 1 | yes | 833 |
95.7%
|
| 98 | don't know | 3 |
0.3%
|
| 9999995 | missing:impute | 0 |
0%
|