Year % of merchandise exports 1962 54.192496302140306 1963 57.56137573359985 1964 61.08237419658692 1965 60.249842692347535 1966 61.66993913680757 1967 63.17135405906645 1968 61.16060249189809 1969 63.381143519973634 1970 62.45424004525325 1971 66.21695338539841 1972 67.39389994310685 1973 68.82392692968085 1974 69.13898112392033 1975 69.88452023507115 1976 65.80750768428196 1977 68.79062497337773 1978 70.64168361939672 1979 73.63645191113541 1980 70.49659298088177 1981 69.4448251894524 1982 73.42987166441495 1983 73.03813607707085 1984 75.51436105905125 1985 75.91229664635766 1986 78.5129930576477 1987 79.93004992255268 1988 78.57203380477546 1989 78.15006312324584 1990 79.87134263842162 1991 81.61562964971499 1992 82.64249206036398 1993 83.3906244769533 1994 82.48622547846412 1995 83.05647377001664 1996 85.44687350774174 1997 85.50538491718885 1998 86.68967924977427 1999 86.44578358362011 2000 85.06115631981476 2001 86.25350476995882 2002 85.94108590160573 2003 85.69150352431065 2004 69.9511076129105 2005 79.86207362885267 2006 77.4408137682461 2007 77.57407962920698 2008 75.83172900152209 2009 76.26215509036362 2010 74.46005967704822 2011 74.48123850827872 2012 73.47591776861749 2013 72.36442829538609 2014 74.300096167859 2015 74.95347239434275 2016 76.44519398019192 2017 75.71325837296229 2018 76.02815813564627 2019 77.21765625343474 2020 77.05488397925444 2021 75.72739082850453 2022 73.73453486810304 2023 74.85655195738158