Year % of merchandise exports 1962 77.25691679609348 1963 69.27145704243361 1964 70.36637755771409 1965 70.51198912692368 1966 71.73183814330297 1967 72.03952568925794 1968 72.48050385313289 1969 73.61600471773254 1970 73.63086433723716 1971 77.78342806203256 1972 75.77228840640376 1973 74.93469390077969 1974 74.37770420438945 1975 75.4017107944989 1976 75.50604112686698 1977 75.29868402264563 1978 76.08354897986291 1979 75.06405136726751 1980 73.78733637345458 1981 73.12616565185209 1982 73.97225935639332 1983 74.01236255835927 1984 74.22241447316408 1985 75.32192767972954 1986 77.75359722794848 1987 78.66172155884152 1988 79.41476653640999 1989 79.24059374346537 1990 79.94582474386063 1991 79.76069463234835 1992 79.97691882572963 1993 78.23175965859313 1994 79.08398113383103 1995 79.45445236194962 1996 79.93267360026644 1997 81.46150632638428 1998 82.59169867625633 1999 82.39305933619114 2000 78.8665745464281 2001 79.53468772863408 2002 79.91608616464227 2003 79.39041713343639 2004 79.11873607268735 2005 79.37998851643819 2006 78.31969565824878 2007 77.9314574926764 2008 76.59103270185663 2009 77.09572009592507 2010 76.06386243084691 2011 75.65462557809384 2012 74.93040318951208 2013 75.10212688828346 2014 76.04641992668314 2015 77.38426149306792 2016 78.34759974767074 2017 78.57282838376362 2018 78.08497015987722 2019 78.23867999044111 2020 78.22759964526273 2021 77.01861877396765 2022 73.90834024862723 2023 75.87223366149807