The bar chart illustrates the support  given by 3 fields - Agriculture , manufacturing, and 
business
 and financial services to the UK financial system in the twentieth century.
Use synonyms
Overall
, Linking Words
total
 contribution from the 3 sectors for the Add an article
the total
economy
 of the nation remain Use synonyms
steadily
 during the first half of the twentieth century and Change the word
steady
reduce
 drastically over the Wrong verb form
reduced
secound
 half. Correct your spelling
second
Business
 and financial field Use synonyms
contribution
 to the Fix the agreement mistake
contributions
economy
 Use synonyms
is 
increased during the period dramatically Unnecessary verb
apply
while
 Linking Words
Agricultural
 and Manufacturing areas, support dropped significantly.
In detail, in a comparison of the year  1900 ,around 50% of the Change preposition
in Agricultural
economy
 was Use synonyms
depended  
on agriculture Replace the word
dependent 
and 
nearly another 45% on manufacturing , and slightly less than  5% on Correct word choice
apply
business
 and financial services. Use synonyms
However
, Linking Words
business
 and financial services support increased Use synonyms
in
 a considerable amount to achieve the highest around 35%  for the year 2000.
Change preposition
by
Otherthan
 that, the total contribution of 3 fields Correct your spelling
Other than
were
 nearly 99% of the Correct subject-verb agreement
was
economy
 in 1900 and remained Use synonyms
the
 same level till 1950  , Change preposition
at the
while
 it declined  over the next 50 years to post approximately  60%  in 2000.Linking Words