want_price['phys_2002']=480;
want_price['phys_2001']=360;
want_price['phys_2000']=150;
want_price['phys_2002']=480;
want_price['phys_2001']=360;
want_price['phys_2000']=150;
want_price[ 'cd_2000']=280;
want_price[ 'cd_1999']=280;
want_price[ 'cd_1998']=280;
want_price[ 'cd_2000']=280;
want_price[ 'cd_1999']=280;
want_price[ 'cd_1998']=280;