Notes:

The statistics include both government and non-government shipments by vessel into and out of U.S. foreign trade zones, the 50 states, the District of Columbia, and Puerto Rico.

Source:

U.S. Department of Transportation, Maritime Administration, U.S. Waterborne Container Trade by U.S. Custom Ports, available at www.marad.dot.gov/resources/data-statistics/ as of April 2016.