1970.015325819510.621 1971.015135669470.6259087904824852 1972.016176309870.6103896103896104 1973.017627679940.5641316685584563 1974.017477649830.5626788780767029 1975.016957499460.558 1976.018358569790.534 1977.019089359730.51 1978.0202194610750.532 1979.0207399310800.521 1980.0199992110770.539 1981.0194288710540.543 1982.017778209570.539 1983.017087519570.56 1984.0183680310330.563 1985.0178877410140.567 1986.0187483710370.553 1987.0196789110760.547 1988.0208897611120.533 1989.02140103811030.515 1990.02164104211220.518 1991.02092101410790.516 1992.02132103710950.514 1993.02128106010680.502 1994.02215111610990.496 1995.02240114710930.488 1996.02284118311010.482 1997.02333122111130.477 1998.02340124510940.468 1999.02323126110620.457 2000.02425135510700.441 2001.02393135110420.435 2002.02340131910210.436 2003.02394137810160.424 2004.02552150510500.41 2005.02527149910290.407 2006.02588156510280.395 2007.02564154310220.399 2008.0247715219560.386 2009.0221113548580.388 2010.0233514418940.383 2011.0236814808920.375 2012.0230714228900.384 2013.0227413838910.392 2014.0234614099370.399 2015.0227913749050.397 2016.0229214158770.383 2017.0238515128730.366 2018.02437.69999999999981810105964541435241699218751589848.70.3481560487344629 2019.02361.400000000000090949470177292823791503906251543.3818.10.3464470229524858 Average annual percentage change 1970-20190.00886931753199049488500804727664217352867126464843750.020137371307821672-0.003067316429472111 2009-20190.00655606054604640497984746616566553711891174316406250.013196893418663924-0.004792051781155715 Source: 1970-2016—U.S. Department of the Army, Corps of Engineers, Waterborne Commerce of the United States, Calendar Year 2016, Part 5—National Summaries, 2017, Table 1-1. (Additional resources: www.navigationdatacenter.us/index.htm) 2017-19—U.S. Department of the Army, Corps of Engineers, The U.S. Waterway System, 2019 Transportation Facts and Information, New Orleans, LA, 2020 and annual. a All movements between the United States and foreign countries and between Puerto Rico and the Virgin Islands and foreign countries are classified as foreign trade. b All movements between U.S. ports, continental and noncontiguous, and on the inland rivers, canals, and connecting channels of the United States, Puerto Rico, and the Virgin Islands, excluding the Panama Canal. Beginning in 1996, fish was excluded for internal and intra port domestic traffic.