Writing report

The bar chart illustrates the amount of households by their salary in each year of 2007, 2011 and 2015 Overall, the number of families with the income that under 25000 dollars, from 25000 to 49999 dollars and over 100000 dollars fluctuated, while two other groups with the range of income from 50000 to 99999 dollars almost remained the same through the given period of time. The households that owned the income between 75000 to 99999 dollars had the least quantity in comparison with the others. Firstly, the number of families earning less than 25000 dollars per year was 25 millions in 2007, then increased to almost 30 millions in 2011 before slightly declined to around 28 millions in next 4 years. The same fluctuation happened with the amount of households having the income in the range of 25000 to 49999 dollars and more than 100000 dollars. In 2007, there were about 27 millions families earning 25000 to 49999 dollars per year and almost 30 millions families that earned 100000 or more, then it grew to nearly 30 millions and 35 millions respectively in 2015. However, the number of households with the salary of 25000 to 49999 dollars reached its peak in 2011 at 30 millions, marking the only timestamp that group had the highest quantity in the given groups. Turning to the group of households earning 50000 to 74999 dollars each year, it was likely to remain the same data at about 20 millions through the period of 8 years. However, it did not have the lowest number. In term of the lowest, it is the group of households having 75000 to 99999 annually. It had the number of about 15 millions during all three given years with the data in 2011 reached the lowest point.