| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 79104 | 
                                    
                                    80.6%
                                 | 
| 1 | Partial credit | 6669 | 
                                    
                                    6.8%
                                 | 
| 2 | Full credit | 7878 | 
                                    
                                    8%
                                 | 
| r | Not reached | 4435 | 
                                    
                                    4.5%
                                 | 
| 7 | N/A | 268136 | |
| 9 | Missing | 20507 |