Year % of merchandise exports 1962 33.614664323675356 1963 25.95873315073598 1964 26.862888461522733 1965 29.232929860614448 1966 32.70973201690238 1967 25.666671309570948 1968 24.331571916395557 1969 32.74282470294491 1970 28.06181731424421 1971 18.00419115393124 1972 17.167289685792287 1973 18.697144056512283 1974 24.658554291513042 1975 27.063709703808588 1976 24.83433453597367 1977 34.73945224898785 1978 45.01454261381749 1979 42.47047109410463 1980 50.4046016960228 1981 53.121091231734084 1982 46.5607261691843 1983 39.32163459280521 1984 45.20561350552473 1985 49.494789847549825 1986 41.64731210914307 1987 35.06033501058902 1989 32.693411169270384 1990 37.636944788547034 1991 47.713783399626564 1992 37.10831206431327 1993 27.9748794414575 1994 25.152435300905186 1995 36.37182698702311 1996 24.499700857279887 1997 12.803773953254408 1998 12.792899933002444 1999 14.125565200585264 2000 6.121859117261044 2001 6.065773281109131 2002 3.677771574816683 2003 4.221486133872194 2004 6.0388454803529275 2005 4.705207174449273 2006 3.752618609026176 2007 3.1341365775966636 2008 2.273460570471706 2009 2.429132708211275 2010 2.066386579025575 2011 1.6628465452145322 2012 2.1447548896099065 2013 1.6893292340827746 2014 1.5897859792439313 2015 1.5689542805808945 2016 1.5386203899502684 2017 1.4572946316388509 2018 1.5230670686711767 2019 1.3572783293870332 2020 1.3111115176906087 2021 1.367118916715665 2022 1.5933099249494023 2023 1.4181794044120566