| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 19 |
5.3%
|
| 0 | 6 |
1.7%
|
|
| 1 | 7 |
2%
|
|
| 2 | 21 |
5.9%
|
|
| 3 | 91 |
25.6%
|
|
| 4 | 122 |
34.3%
|
|
| 5 | 75 |
21.1%
|
|
| 6 | 12 |
3.4%
|
|
| 7 | 3 |
0.8%
|
|
| 9999995 | missing:impute | 0 |
0%
|