| Value | Category | Cases | |
|---|---|---|---|
| 20 | 18831 | 
                                    
                                    88%
                                 | |
| 21 | 2 | 
                                    
                                    0%
                                 | |
| 22 | 50 | 
                                    
                                    0.2%
                                 | |
| 23 | 183 | 
                                    
                                    0.9%
                                 | |
| 24 | 1535 | 
                                    
                                    7.2%
                                 | |
| 25 | 632 | 
                                    
                                    3%
                                 | |
| 26 | 43 | 
                                    
                                    0.2%
                                 | |
| 27 | 111 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 1 |