| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 618 |
92.2%
|
| 0 | 23 |
3.4%
|
|
| 1 | 18 |
2.7%
|
|
| 2 | 5 |
0.7%
|
|
| 3 | 3 |
0.4%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 2 |
0.3%
|
|
| 9999995 | missing:impute | 0 |
0%
|