 1960                   
                                                     
                  1979                        1979                                                   256        32      256                 256          16       128   16  
  1980                               16  
  1981       256   16         512         16           256          
  1982     128                1024          64  
  1984         256   8                           
           1986                 1987         1987                1988        512              1989         1990     1024                1991                  1992                  1994                  1995     512      
      1995     512          2000        
     2007                                                               
                                           2019                 
      2019         2020        2014              2014            2015            2016               
                   60     2018  59                  2019                                                               ︵  ︶