| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 756 |
90.3%
|
| 1 | 18 |
2.2%
|
|
| 2 | 8 |
1%
|
|
| 3 | 10 |
1.2%
|
|
| 4 | 14 |
1.7%
|
|
| 5 | 7 |
0.8%
|
|
| 6 | 4 |
0.5%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| 9999995 | missing:impute | 17 |
2%
|