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The statistic represents the U.S. custom duty revenues from 2000 to 2011 with an additional forecast from 2012 to 2022 as a percentage of the Gross Domestic Product. Custom duty revenues amounted to 30 billion U.S. dollars in 2011, which is about 0.2 percent of the U.S. GDP. The forecast predicts an increase in custom duty revenues up to 56 billion U.S. dollars in 2022, which would be about 0.2 percent of the U.S. GDP.