| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 | 
                                                                 
                                    
                                    10.2%
                                 
                                                             | 
                                                        
                    |
| 2 | 20 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 37 | 
                                                                 
                                    
                                    42%
                                 
                                                             | 
                                                        
                    |
| 4 | 22 | 
                                                                 
                                    
                                    25%
                                 
                                                             | 
                                                        
                    |
| Missing value | 682 |