| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 15213 |
25.1%
|
| 1 | Partial credit | 22653 |
37.3%
|
| 2 | Full credit | 11079 |
18.2%
|
| 9 | Missing | 8503 |
14%
|
| r | Not reached | 3278 |
5.4%
|
| 7 | N/A | 455232 |