| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 1 | A+ | 234 |
26.9%
|
| 2 | A- | 6 |
0.7%
|
| 3 | AB+ | 31 |
3.6%
|
| 4 | AB- | 0 |
0%
|
| 5 | B+ | 196 |
22.5%
|
| 6 | B- | 4 |
0.5%
|
| 7 | O- | 14 |
1.6%
|
| 8 | O+ | 385 |
44.3%
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|