Year % of merchandise imports 1962 3.5429012741756276 1963 3.4119104120815718 1964 3.1884627123382985 1965 3.5683397930747303 1966 3.5644731077259384 1967 4.705223633189017 1968 4.6171479499723125 1969 4.300511836680896 1970 3.792913563569477 1971 4.1364219763150345 1972 3.4553075964385243 1973 4.394443790913734 1974 3.017007588637372 1975 8.27595345316293 1976 7.406992455197544 1977 7.968029961726534 1978 7.739417034885178 1979 9.234014526659502 1980 16.464500478075717 1981 17.771894585612046 1982 15.610572257044867 1983 17.476813028566003 2001 12.479463264287157 2002 13.004131542903854 2003 13.487733329443795 2004 14.25528137565098 2005 15.408187332325603 2006 15.813224429918979 2007 18.584955269817204 2008 23.65103202546239 2009 18.576722026719146 2010 17.556730970567198 2011 21.235053875373904 2012 22.720478684935504 2013 21.990213986083283 2014 24.190344040524746 2015 14.84665997633228 2016 13.60215817168029 2017 15.914497506238561 2018 18.45480550579459 2019 16.992529971459668 2021 15.908661643843919