1               2               3               4               5               6               7               8               9          10
      0%                                                                                                                                        
                                                                                                                                                
      20%                                                                                                                                       
                                                                                                                                                
      40%                                                                                                                                       
      60%                                                                                                                                       
                                                                                                                                                
      80%                                                                                                                                       
                                                                                                                                                
      100%                                                                                                                                      
   1               2               3               4               5               6               7               8               9          10