         

      1949               

               

                

                 

           

                  

               

                  

               

                 

         20        

                 

              

                

  1983         495.98      

  286.91       1984- 1990    

   138.98       634       

  76.85       363.75     

                

  

         1990      227.78     

       78.18       34.3%   

  124.03             55.

27       44.6%   

             1990      234.45

            115.72    

  49.4%      109.46        

    43.53       39.8%   

        1990      171.77    

        49.27       28.7%   

  130.26             29.

66       22.8%   