KEY: TEUs = twenty-foot equivalent units. One 20-foot container equals one TEU, and one 40-foot container equals two TEUs.
NOTE: For the analysis in this report, U.S. merchandise trade with China and Hong Kong (which is a special administrative region of China) are considered separately. As used here, China excludes Hong Kong.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, based on data from U.S. Department of Transportation, Maritime Administration, as of Sept. 18, 2010.