The chart below shows the annual number of rentals and sales (in various formats) of films from a particular store between 2002 and 2011.

The bar chart provides information on how many

rentals

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and

sales

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of films per year, divided by four types (

Rentals

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, VHS

sales

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,

DVD

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sales

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, and Blu-ray

sales

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) of a particular shop during the year 2002 to 2011.

Overall

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, the highest revenue from

sales

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and

rentals

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came from

DVD

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over the period,

whereas

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rentals

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which were the second revenue showed a downward trend. The remaining types were not significant and had little changes annually. In 2002, we can see that the number of

rentals

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reached around 185,000 as opposed to nearly 90,000 and just under 50,000 in the

sales

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of VHS and

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DVD

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DVDs

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respectively.

However

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,

rentals

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experienced a downward trend, which slightly decreased in 2003 and

then

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continually dropped to just under 60,000 in 2011.

Conversely

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,

sales

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of

DVD

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in 2002 was under 50,000 but represented an upward trend until 2007, which indicated a peak of

sales

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at over 210,000 and it was the highest

sales

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in the graph. After that, there was a gradual decrease until 2011, accounting for around 180,000 and still the most popular among all types in 2011. We can see that VHS was the second most popular of

sales

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in 2002, which comprised approximately 85,000. Interestingly, it disappeared after 2005 and was never shown again. In comparison, the number of Blu-ray

sales

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just started in 2007 but it grew slowly reaching around 65,000 in the year 2011.