What was the percentage increase in export value from 1983 to 1986?
100
25.9
37.5
42.5
Percentage increase in export value from 1983 to 1986 = 550−400400×100 = 1504 = 37.5%
What was the approximate percentage drop in export quantity from 1983 to 1984 ?
What was the percentage increase in export of rice from 1991 to 1992 ?
What was the percentage increase in imports from 1997 to 1998?