The provided bar chart illustrate yearly quantity of films about renting and selling in a specific store over period of 9 years from 2002 to 2011.
A cursory examination of the chart reveals that the rentals witnessed an downward trend. The opposite trend was true for DVD sales. Additionally, VHS sales and Blu-ray sales dissapear and appear almost half of period, respectively.
As can be seen in the chart, rentals was the most popular formats of flims in store in 2002, particularly there was 185,000. But until the end of time span, it decreased to just nearly 50000. In contrast, DVD sales was the least well-known in the store, but it started increasing significantly and reach its highest point at 220,000 in 2007. Then after 4 years, it had a fluctuation and fall to approximately 170,000.
Concerning VHS sales, it began with about almost 100,000. Consequently, it has dissapeared in 2006. DVD sales were not existed until 2007 and it was a small number if compare to other formats. In the end of period, it had a slightly grew which was at 100.