FIGURE 3. Value of U.S. Merchandise Trade by Land, Water, and Air Gateways: 1990-2003
FIGURE 3. Value of U.S. Merchandise Trade by Land, Water, and Air Gateways: 1990-2003(Percent)
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U.S. total land trade1 U.S. total water trade U.S. total air trade Other and unknown2 1990 22.9 48.9 22.7 5.6...