| Value | Category | Cases | |
|---|---|---|---|
| 20 | 3640 | 
                                    
                                    94.7%
                                 | |
| 21 | 3 | 
                                    
                                    0.1%
                                 | |
| 22 | 14 | 
                                    
                                    0.4%
                                 | |
| 23 | 59 | 
                                    
                                    1.5%
                                 | |
| 24 | 22 | 
                                    
                                    0.6%
                                 | |
| 25 | 79 | 
                                    
                                    2.1%
                                 | |
| 26 | 25 | 
                                    
                                    0.7%
                                 | |
| 27 | 2 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 49 |