Figure 11,,,,,, Modal Share of U.S. NAFTA-Partner Merchandise Trade by Value and Weight: 2000 and 2001,,,,,, Mode,Value (percent),,Weight (percent),,, ,"Value, 2000","Value, 2001","Weight, 2000","Weight, 2001",, "NAFTA trade, total", 100.0 , 100.0 , 100.0 , 100.0 ,, Truck, 65.6 , 64.4 , 32.8 , 31.5 ,, Rail, 14.4 , 15.1 , 16.3 , 17.0 ,, Pipeline, 3.6 , 4.3 , 13.8 , 13.9 ,, Air, 6.9 , 6.0 , 0.2 , 0.1 ,, Water, 5.0 , 4.8 , 36.9 , 37.4 ,, Other and unknown, 4.5 , 5.4 , 0.1 , 0.2 ,, "SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, special tabulation, May 2002; based on total trade, air, and water data—U.S. Department of Commerce, U.S. Census Bureau, Foreign Trade Division, FT920 U.S. Merchandise Trade 2000 to 2001 (Washington, DC: 2000–2001); all land modes—U.S. Department of Transportation. Bureau of Transportation Statistics, Transborder Surface Freight Data, as of January 2002.",,,,,,