The given bar chart compares the number of American 
households
 by their yearly Use synonyms
income
 in three specific years-2007,2011and 2015.
In general, the lowest number of Use synonyms
households
 throughout the period was the Use synonyms
group
 which saw to earn 75,000 to 99,999 Use synonyms
dollars
 per year. It can Use synonyms
also
 be seen that all Linking Words
income
 groups experienced an upward trend except for the 25,000 to 49,999 Use synonyms
group
.
With regards to the first three bands which had a lower Use synonyms
income
. By 2007, there were about 20 to 25 Use synonyms
million
 Use synonyms
households
 had under 50,000 Use synonyms
dollars
 in Use synonyms
income
 per year . In the next 4 years , the less than 25,000 dollar Use synonyms
group
 and the 25,000 to 49,999 dollar Use synonyms
group
's figure increased to about 28 Use synonyms
million
 and exactly 30 Use synonyms
million
 Use synonyms
households
 , respectively. Meanwhile, these two data had a small decrease to around 26-27 Use synonyms
million
 Use synonyms
households
 in 2015. In terms of the 50,000-74,000 dollar Use synonyms
group
 , its figure remains stable with just over 20 Use synonyms
million
 Use synonyms
households
 throughout the timeframe.
Turning to the remaining groups , the figure of Use synonyms
households
 in Use synonyms
75,000
-Correct article usage
the 75,000
99,999 
Correct your spelling
99,999-dollar
dollars
 Use synonyms
group
 fell from nearly 15 Use synonyms
million
 in 2007 to around 13 Use synonyms
million
 in 2011 before ending the process with immediately 15 Use synonyms
million
 . Moving onto the Use synonyms
group
 which earned 100,000 Use synonyms
dollars
 or more per year, there was a small drop in the number of Use synonyms
households
 from just under 30 Use synonyms
million
 by 2007 to around 27 Use synonyms
million
 by 2011. Use synonyms
Finally
, its data rose slightly to over 33 Linking Words
million
, making it Use synonyms
become 
dominant among other earning groups.Verb problem
apply