Year % of merchandise imports 1971 25.237543186406597 1972 27.653485675528238 1973 29.137989379130524 1974 27.952323558597726 1975 26.366277173459657 1976 28.54751802156229 1977 24.73762492487547 1978 25.346879777552168 1979 24.857087250837285 1980 21.122551547213153 1981 22.70030278571998 1982 20.40981208304086 1983 20.361450138579333 1984 19.997787662512895 1985 19.72242418889445 1995 20.68672593687187 1997 20.526548001743137 2005 17.756499849080427 2006 17.684376532420668 2007 17.036028568161527 2008 17.174715547688958 2009 17.020259201699815 2010 13.077886810546453 2011 16.946505336203806 2012 20.621708349074588 2013 19.197666581204803 2014 20.804370348434066 2015 20.708377431639946 2016 21.037834339398888 2017 20.36928585549479 2018 20.791685292483262 2019 19.33833375824694 2020 23.832468816315433 2021 21.767476210015772 2022 21.471363382461877