The provided pie-charts illustrate the comparison of the money spent in seven different sectors by the native Americans, over a period of thirty years I.
e
. From 1966 onwards.
Use synonyms
Overall
, Linking Words
the 
food used to be the major Correct article usage
apply
expense
 of Use synonyms
the 
American citizens in 1966, but in 1999 it was replaced by Correct article usage
apply
the 
cars. Four out of seven categories witnessed a fall in their expenditure, in Correct article usage
apply
contrary
 a hike in money spent was noted in three things.
Add a comma
,contrary
To begin
 with, in 1966, a major chunk of the total  income had to be spent by Linking Words
the 
Americans in lieu of food I.Correct article usage
apply
e
. 44%. Use synonyms
Whereas
, after thirty years, Linking Words
this
 Linking Words
expense
 dropped to one-Use synonyms
third
 of its value I.Linking Words
e
. 14%. 
Use synonyms
On the other hand
, the cars which shared an Linking Words
expense
 of 23% in Use synonyms
year
 1966 had considerably increased to double the figures in 1996 I.Change the article
the year
e
. 45%.  The money spent on Use synonyms
the 
furniture and petrol dropped slightly from 9% and 10%, respectively, in 1966 to 8% each in 1999. Correct article usage
apply
This
 fall was, Linking Words
however
, Linking Words
was 
more conspicuous for the books which plunged to almost 1% in 1999 from 6% of the total Unnecessary verb
apply
expense
, thirty years back.
Use synonyms
In contrast
, the costs Linking Words
on
 Change preposition
of
the 
restaurants and eatery doubled from 7% over Correct article usage
apply
this
 time frame and the computers which incurred a cost of 1% in 1966 had now hiked to 10%  in 1999.Linking Words