| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 15 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 3 | 48 | 
                                                                 
                                    
                                    6.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 606 | 
                                                                 
                                    
                                    78.8%
                                 
                                                             | 
                                                        
                    |
| 5 | 97 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    |
| Missing value | 1 |