The line charts present people's expenditure 
of
 fast food Change preposition
on
such
 as hamburgers, Linking Words
fish
 and Use synonyms
chips
, and pizza over 20 years from 1970.
In general, Use synonyms
fish
 and Use synonyms
chips
 and hamburgers had a steady growth over the period from 1970 to 1990. Use synonyms
On the other hand
, pizza has continuously declined Linking Words
since
 1975 Change preposition
from
until
 1985.
In 1970, hamburger consumption was nearly 30 Change preposition
to
grams
 and gradually increased until Use synonyms
reached
 its peak in 1990 with 500 Correct pronoun usage
it reached
grams
. Use synonyms
Moreover
, Linking Words
fish
 and Use synonyms
chips
 Use synonyms
also
 had the same trend with a constant growth from almost 100 Linking Words
grams
 in 1970 and  tripled in the 1990s. The average growth for both hamburger and Use synonyms
fish
 and Use synonyms
chips
 was around 500% and 600% respectively.
Use synonyms
However
, pizza consumption has dropped perpetually every year since the peak in 1970, with 300 Linking Words
grams
, becoming only 200 Use synonyms
grams
 in 1985 or Use synonyms
30
% drop in 15 years . Correct article usage
a 30
Therefore
, it had a slight increase above 200 Linking Words
grams
 in 1990.Use synonyms