Year % of merchandise exports 1964 5.184449894882223 1965 5.225458590150677 1966 5.287424916265168 1967 3.852920964891408 1968 5.78495624235803 1969 5.778013441094167 1970 6.546652462820831 1971 7.52979604793447 1972 10.176062954344589 1973 11.398810056448166 1974 12.928070085972482 1975 17.27112499907659 1976 15.081382887380357 1977 15.011384780847765 1978 18.62155875477501 1979 17.475728137544213 1980 18.754249256885448 1981 19.593822723803747 1982 22.84542598130286 1983 24.721903804517073 1984 26.533859951881738 1985 27.170543290390096 1986 37.0477816927862 1987 39.26469121173446 1988 43.514214449517176 1989 48.63618187361137 1990 53.728362870849914 1991 60.53513847183689 1992 64.34859757175889 1993 69.62086215445112 1994 73.62057592894914 1995 74.67180573743512 1996 75.70470020832938 1997 76.43877900852029 1998 78.69230532388978 1999 80.27611031348026 2000 80.35532129645242 2001 80.02690163415346 2002 78.26637668258047 2003 76.6984559604185 2004 75.51858071993863 2005 74.54507655396802 2006 73.38886263101261 2007 70.89333646963104 2008 54.15176800564061 2009 69.6001051495691 2010 67.00102596692685 2011 62.04341869809993 2012 61.54927037195714 2013 60.63150034186794 2014 61.57014638613577 2015 66.41493620296501 2016 68.01797389745815 2017 66.5950762518143 2018 68.42407724521246 2019 70.12152127048311 2020 73.12604438846422 2021 70.28327076953808 2022 66.65968588044224 2023 68.39391188956884