E6K+graph+description-Li+and+Larry

The graph shows the increasing fluctuation in ipod sale from 2004 to 2008.The ipod sale rose steady to about 6 millons in 2004.In 2005 it increased dramatically to 15 millions and then decreased sharply to less than 9 millions.During 2005,the ipod sale remained a slight drop,followed by a minimal growth before th sale rose markedly to more than 21 millions in 2006.After its rocketing, it slumped to about 10 millions.The ipod sale boomed to more than 22 millions after it increased gradually in 2007.Then it immediately significantly dropped to 10 millions.Overall, the ipod sale remained a high amount in 2008, comparing with its sale before 2004.The ipod sale broke the sale records in history every year from 2005 to 2008.