The bar chart illustrates the proportion of age group and music type(rock,pop,jazz,classical)in USA in 2010.
Overall,58+ age group had the highest numbers over the period,while 32-45 age group was the least common among the fives groups.
16-22 age group,Pop music had largest number reached to about 5 million users,while jazz ans classical account smaller than pop music.In contract 58+ age group,Classical had highest number,other three music numbers was similar around 3 million.
Meanwhile,in 23-31group,rock had suged to a peak of 4 million,secondly was pop music amount3.5 million,jazz and classical were smaller number.32-45 age group ,rock,jazz, Classical was similar figures about 3 million,in contrast pop music was smaller figure.And in 45-57group,notably rock music usage surpassed other music types approximately 3.7million,conversely pop music only account about 1.5million.
