| Value | Category | Cases | |
|---|---|---|---|
| 00 | No credit | 14116 |
21.1%
|
| 11 | Partial credit | 3252 |
4.9%
|
| 12 | Partial credit | 6392 |
9.6%
|
| 13 | Partial credit | 1380 |
2.1%
|
| 21 | Full credit | 41626 |
62.3%
|
| 97 | N/A | 189849 | |
| 99 | Missing | 14708 |