Only Slide No.3

1950
$B=R8lO@M}(B

1977 $B!!!!!!!!(B$B!!!!!!!!!!(B1989
$B1ieh(BDB$B!!!!!!!!!!!!!!!!1ieh%*%V%8%'%/%H(B

1970$B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!;X8~(BDB
$B4X78(BDB

1985
$B%*%V%8%'%/%H;X8~(B DB$B!!!!!!!!!!!!!!!!(B1990

1960$B!!!!!!!!!!!!!!!!!!!!!!!!!!(B1980
$B%*%V%8%'%/%H;X8~!!!!!!!!!!!!!!@)Ls(B
$B%W%m%0%i%_%s%0!!!!!!!!!!!!!!!!!!!!!!2>@b?dO@(B

$B<+A38@8l8&5f(B