Gartner, “Gartner Says Worldwide Smartphone Sales Soared in Fourth Quarter of 2011 with 47 Percent Growth,” February 15, 2012, table 3, .
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Gartner, “Gartner Says Chinese Smartphone Vendors Were Only Vendors in the Global Top Five to Increase Sales in the Third Quarter of 2016,” November 17, 2016, table 2, .
