The graph illustrates the various 
type
 of fast food consumption of Australian youngsters between the years 1975 to 2000.
Fix the agreement mistake
types
Overall
, there has been Linking Words
Add an article
a dramatical
dramatical
 rise in the intake of pizza and hamburgers over the decades, Replace the word
dramatic
while
 Linking Words
declined
 in the consumption of fish and chips. 
From the Replace the word
decline
year
 1975 there has been Use synonyms
sudden
 climb Correct article usage
a sudden
up 
in the number of times hamburgers consumed Change preposition
apply
upto
 1985, later slight variations Correct your spelling
up to
upto
 the Correct your spelling
up to
year
 2000, Use synonyms
whereas
 there Linking Words
has been
 à fluctuation between 1975 to 1985 in fish and chips intake and Wrong verb form
was
drastic
 decline to 40 times per Correct article usage
a drastic
year
 by the end of 2000. 
There has been a steady growth since the beginning by liking the pizzas from 10 to almost 90 times per Use synonyms
year
 by the end of 2000.Use synonyms