| Value | Category | Cases | |
|---|---|---|---|
| 01 | No credit | 31464 |
52.6%
|
| 02 | No credit | 14674 |
24.5%
|
| 11 | Partial credit | 1477 |
2.5%
|
| 12 | Partial credit | 5292 |
8.8%
|
| 21 | Full credit | 6927 |
11.6%
|
| 97 | N/A | 189846 | |
| 99 | Missing | 21643 |