| Value | Category | Cases | |
|---|---|---|---|
| 1 | 24 | 
                                                                 
                                    
                                    3.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 93 | 
                                                                 
                                    
                                    12.1%
                                 
                                                             | 
                                                        
                    |
| 3 | 275 | 
                                                                 
                                    
                                    35.8%
                                 
                                                             | 
                                                        
                    |
| 4 | 351 | 
                                                                 
                                    
                                    45.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 26 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| Missing value | 1 |