      6      
  
2016/7/12

                            5                            6                                                                                   
                  6                               2020                80%  
                                                                            
                       0  6                                                               2020              95%   
                                                            2020            100%   
                          0  6                                             
                                                                                                  
               400          15%                                                                                                               
                                                                         0  6               

     