| Value | Category | Cases | |
|---|---|---|---|
| 1 | 48 | 
                                                                 
                                    
                                    17.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 112 | 
                                                                 
                                    
                                    40%
                                 
                                                             | 
                                                        
                    |
| 3 | 88 | 
                                                                 
                                    
                                    31.4%
                                 
                                                             | 
                                                        
                    |
| 4 | 32 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    |
| Missing value | 490 |