Year % of merchandise exports 1962 66.66936451865638 1963 63.890812832449335 1964 63.98510991552526 1965 65.21850525492712 1966 66.8027874087012 1967 67.76771901723478 1968 67.68436956834678 1969 68.93893546758504 1970 69.75245422967772 1971 72.60243950432614 1972 71.28869907707391 1973 70.05320921732219 1974 68.1970088693416 1975 69.20810191299023 1976 70.59347006363616 1977 70.95907024373155 1978 69.06869494588771 1979 68.02149102508093 1980 69.53499392057086 1981 69.66422836799234 1982 70.06629073914922 1983 70.14729888482995 1984 71.49061559378322 1985 71.76938167307034 1986 76.1723422706724 1987 76.19757178799165 1989 76.55941117405297 1990 76.76888340356354 1991 73.04574532804831 1992 74.14087620909287 1993 74.20258509323757 1994 76.33462339157647 1995 76.5203842528437 1996 75.05678048690733 1997 77.7483915343363 1998 77.33590856102983 1999 75.68549462443117 2000 73.44614290459181 2001 73.54436186514218 2002 73.57020252061614 2003 72.50660237754546 2004 71.3775309864155 2005 70.21974926945195 2006 69.30087602830959 2007 69.24208807794035 2008 66.73645311489778 2009 65.3973632277182 2010 64.90464632715057 2011 63.021495295783005 2012 62.20989840659193 2013 61.46228326902839 2014 63.00207272844625 2015 65.08302788839008 2016 65.20880726141067 2017 67.87601962407817 2018 67.14754409706987 2019 67.41539450071313 2020 67.61874385688145 2021 66.08963823330299 2022 65.44096802941844 2023 68.75749498839907