| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 20134 |
5%
|
| 1 | Partial credit | 18285 |
4.6%
|
| 2 | Full credit | 64285 |
16.1%
|
| 7 | N/A | 278205 |
69.8%
|
| 9 | Missing | 15139 |
3.8%
|
| r | Not reached | 2702 |
0.7%
|