| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 18447 |
69.7%
|
| 1 | Partial credit | 3076 |
11.6%
|
| 2 | Partial credit | 3748 |
14.2%
|
| 3 | Full credit | 1033 |
3.9%
|
| r | Not reached | 179 |
0.7%
|
| 7 | N/A | 239463 | |
| 9 | Missing | 5377 |