| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 42177 |
10.6%
|
| 1 | Partial credit | 13848 |
3.5%
|
| 2 | Full credit | 10413 |
2.6%
|
| 7 | N/A | 276620 |
69.4%
|
| 9 | Missing | 53366 |
13.4%
|
| r | Not reached | 2326 |
0.6%
|