| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 117 |
28.9%
|
| 0 | 241 |
59.5%
|
|
| 1 | 33 |
8.1%
|
|
| 2 | 10 |
2.5%
|
|
| 3 | 3 |
0.7%
|
|
| 4 | 1 |
0.2%
|
|
| 9999995 | missing:impute | 0 |
0%
|