Year % of merchandise exports 1962 24.465192036645526 1963 25.93569288250678 1964 31.053042709317264 1965 35.97481797757969 1966 44.918852879918646 1967 46.322474118857556 1968 48.629326146642335 1969 55.67646653174213 1970 57.186668838263834 1971 55.1279217286339 1972 55.37407196303826 1973 62.37392053147083 1974 52.237773428604264 1975 54.32636832104314 1976 57.01875752547387 1977 58.295305823187235 1978 57.25971295433694 1979 55.422967456713515 1980 48.19089961807718 1981 51.09600982474747 1982 57.90603925122145 1983 62.50692059732765 1984 67.54726052167167 1985 61.8903692811853 1986 66.3912112494522 1987 71.95185310969012 1990 78.6828848549755 1991 78.9177758689615 1992 78.7605270812363 1993 84.62436862444513 1995 82.96164871295807 1996 83.77926444818965 1997 85.98636833064421 1998 83.9053667066269 1999 84.1388995087724 2000 84.6820724325982 2001 84.86689349715368 2002 85.55734579589026 2003 85.04104650684837 2004 85.23754948843997 2005 81.7084254602853 2006 81.24941297472337 2007 79.40303687464187 2008 72.90909613295928 2009 76.29754577576907 2010 73.9685045737661 2011 71.21858347968517 2012 75.0650843419192 2013 73.5400815890207 2014 74.52297153089415 2015 75.9169009718467 2016 78.12939773031354 2017 77.07302874063235 2018 73.95061897759632 2019 73.94440265412015 2020 74.67448479944682 2021 75.39068260471015 2022 75.13169323201019 2023 70.96310118900007