| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 21121 | 
                                    
                                    76.9%
                                 | 
| 1 | Partial credit | 1443 | 
                                    
                                    5.3%
                                 | 
| 2 | Full credit | 2885 | 
                                    
                                    10.5%
                                 | 
| r | Not reached | 2009 | 
                                    
                                    7.3%
                                 | 
| 7 | N/A | 351072 | |
| 9 | Missing | 8199 |