The bar graph provides information on the 
quantity
 of Change the quantifier
number
households
 in the USA by annual earnings in three different years, exactly in 2007, 2011 and 2015.
Use synonyms
Overall
, a quite Linking Words
big
 number of Correct word choice
large
households
 in Use synonyms
US
 which earned 50,000 – 99,999, remained almost stable in these given years. Those, which earned money were 49,999 million or less, experienced considerable changes during these periods. Correct article usage
the US
While
 the housekeeping’s incomes with 100,000 million or more were quite different Linking Words
in 
each year. 
In 2007, the majority of Change preposition
apply
households
 (around 30 Use synonyms
Use synonyms
millions
) pocketed 100,000 or larger, Change to singular
million
also
 about 50 Linking Words
Use synonyms
millions
 of them had incomes starting 49,999 or below Fix the agreement mistake
million
of
Change preposition
apply
 it
. Slightly more than 20 Correct pronoun usage
apply
Use synonyms
millions
 earned 50,000-74,999, Change to singular
million
whereas
 almost 15 Linking Words
Use synonyms
millions
 of USA Fix the agreement mistake
million
households
 got 75,000-99,999. 
After 4 years, 49,999 and less was earned by 30 Use synonyms
Use synonyms
millions
 of them. The group, which proceeds Fix the agreement mistake
million
was
 100,000 or above, decreased faintly to around 28 Change the verb form
were
Use synonyms
millions
. Change to singular
million
While
 Linking Words
a
 Correct article usage
the
quantity
 of Change the quantifier
number
housekeepings
 Fix the agreement mistake
housekeeping
within
 income from 50,000 to 74,999 remained constant, on the bottom of the list were the Change preposition
with
households
 (less than 15 Use synonyms
Use synonyms
millions
) with earnings between 75,000-99,999. 
In the Change to singular
million
last
 year of the chart, the highest income was a group of over 30 million which made money 100,000 Linking Words
and
 more. Correct word choice
or
A
 number of Correct article usage
The
households
 with 74,999 or less money did not experience a significant change, and the lowest income group’s number rose steadily to exactly 15 Use synonyms
Use synonyms
millions
.Change to singular
million