| Value | Category | Cases | |
|---|---|---|---|
| 00 | No credit | 38062 |
68.8%
|
| 11 | Partial credit | 2353 |
4.3%
|
| 12 | Partial credit | 4282 |
7.7%
|
| 21 | Full credit | 10619 |
19.2%
|
| 97 | N/A | 301696 | |
| 99 | Missing | 29717 |