Year % of merchandise exports 1962 4.418680255255797 1963 5.473817055461976 1964 4.440745610770461 1965 3.782779625783618 1966 3.279719977239745 1967 2.9533989241540644 1968 2.557239671617315 1969 2.1462546069340185 1970 1.8666248241495524 1971 1.6498505118529576 1972 1.6066637015486342 1973 1.8675019134151112 1974 2.008280621602836 1975 1.7328319999525381 1976 1.8108972144503794 1977 1.8321788030476607 1978 1.8436324123089705 1979 1.6733113067483596 1980 1.9659410196564464 1981 1.8709685773750162 1982 1.7159474471757747 1983 1.9571524271330953 1984 1.853946947568846 1985 1.97399140611519 1986 2.238065511705638 1987 2.6200076818357987 1988 2.780529241736901 1989 2.6563124815155326 1990 2.093963830873801 1991 1.7954265161299494 1992 1.5185287968814798 1993 1.2114834621400592 1994 1.3877258072225638 1995 1.6412156675898677 1996 1.2520534380420758 1997 1.3511311142731788 1998 1.2589464317321029 1999 1.222991269601307 2000 1.339694876373021 2001 1.266353513300897 2002 1.2120330564583441 2003 1.18039361290935 2004 1.1268852108589476 2005 1.1588404296393011 2006 1.141438065410947 2007 1.1762994169748078 2008 1.1394843462570656 2009 1.0261953317658912 2010 1.2129924463558464 2011 1.2483669727934796 2012 1.2699113027936975 2013 1.2555999666031872 2014 1.1653929055009575 2015 1.0288498489040372 2016 1.0592058276056417 2017 1.0645764698025009 2018 1.0415973080036849 2019 1.0304520336421013 2020 1.0600319343739586 2021 1.1042524000622618 2022 1.0510112156302056 2023 0.9481473081156683