The graph shows the spending three kinds of spreads in us from 1981 and 2007.

The line chart illustrates the expenditure on spreads in the United States of America from the year 1981 to 2007.

Initially

, we can observe that people prefer butter over

margarine

and their demand increased by 20

grams

over the next 5 years,

whereas

, the same was reduced for

margarine

.

However

, during the following span of five years,

margarine

's purchase rose by twenty

grams

and remained the same for the consecutive span,

while

for butter there was a steep decline that continued till 2007 and it failed to recover.

Similarly

, a

a

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fall in

margarine

consumption commenced in 1996 and prevailed till 2007. Another significant observation here is that consumption of low-fat and reduced spreads commenced in 1996 and steeply rose to 80

grams

within half a decade and

then

diminished only by 5

grams

.