Top Best selling phones in the world from 1994 to 2019.

Hi

We collected data of how many phone are sale in 1994 and which company on the top and then we collected data from year 1994 to 2019 and we make a graph of it.
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NOTE:
1) In this video we have wrong data or sum same miss calculation happen
so leave a comment.
2) if you feel any mistake in our video so leave a comment.

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