| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 496 |
74%
|
| 0 | very poor | 1 |
0.1%
|
| 1 | poor | 33 |
4.9%
|
| 2 | average | 43 |
6.4%
|
| 3 | good | 53 |
7.9%
|
| 4 | very good | 30 |
4.5%
|
| 98 | don't know | 14 |
2.1%
|
| 9999995 | missing:impute | 0 |
0%
|