| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 4 |
1.6%
|
| 0 | 2 |
0.8%
|
|
| 1 | 10 |
4.1%
|
|
| 2 | 63 |
25.8%
|
|
| 3 | 81 |
33.2%
|
|
| 4 | 55 |
22.5%
|
|
| 5 | 24 |
9.8%
|
|
| 6 | 5 |
2%
|
|
| 9999995 | missing:impute | 0 |
0%
|