| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 53908 |
34.2%
|
| 1 | Partial credit | 36315 |
23.1%
|
| 2 | Full credit | 41653 |
26.4%
|
| 9 | Missing | 23301 |
14.8%
|
| r | Not reached | 2302 |
1.5%
|
| 7 | N/A | 358479 |