2.減少：
1)動詞型：
A.with figures slipping dramatically in 1993 to 270 dollars per ton．
2)名詞型：
A.it has been a losing battle to maintain the price of steel．
B.A significant drop in figures was also recorded in 2000 for the number of fireworks accidents at pub celebrations coming in at only 5%，which was a third of those reported in 1995.
C.Notably a massive drop in the decade from 1990 to 2000．
