Year % of merchandise exports 1964 1.867527293842763 1965 1.84957768155185 1966 7.299231168640258 1967 1.869546913524384 1968 2.5652238134021865 1969 2.4899419661349222 1970 2.480445464044111 1971 2.1510872479098646 1972 1.9477481274635648 1973 2.1180363944894727 1974 2.0226670748856894 1975 1.8080728682594458 1976 3.8527645692528654 1977 4.12114461376025 1978 4.0072009222920455 1979 4.051295322068225 1980 4.1776876372713545 1981 3.589927504127271 1982 2.83178860794095 1983 3.032729554230192 1984 3.352111424456425 1985 2.7147899419862225 1986 3.0382914283489555 1987 3.107571050826362 1992 4.022714928372782 1993 4.176948211321519 1994 3.7192227960728017 1995 4.987462753940546 1996 4.050742753053427 1997 2.985775188139799 1998 2.3820408041572625 1999 2.0050306678512624 2000 2.2431673484800534 2001 2.019711703685118 2002 1.877621311357627 2003 1.8258819668727702 2004 1.979212886833273 2005 1.871512097145549 2006 2.026120820943173 2007 1.783148838783278 2008 1.645352384429533 2009 1.2360266084395568 2010 1.6571682638893648 2011 1.9449276896337475 2012 1.8490875847748927 2013 1.7093720726064778 2014 1.4966513494331048 2015 1.2786192968459513 2016 1.2012006002828848 2017 1.3778367115283197 2018 1.4849693573645717 2019 1.3081490918062126 2020 1.2286288755106318 2021 1.542089537321487 2022 1.618481128613629 2023 1.3530630313533396