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The statistic shows the global market share of Apple's smartphones (iPhone). In the third quarter of 2007, the market share of the iPhone was 3.4 percent. In the 2011 fiscal year, Apple sold 72 million iPhones. In less than 5 years the iPhone has become Apple’s most important product: in the 2011 fiscal year, iPhone revenue amounted to 47 billion U.S. dollars, representing more than 40 percent of Apple's total revenue. In May 2011, Apple's market share in the U.S. smartphone market was 26.6 percent.