Year % of merchandise exports 1967 4.797404943973317 1968 10.335288725410871 1969 21.855261478635583 1970 25.384022934125472 1971 25.266561872053977 1972 35.10637642021624 1973 40.52224971524259 1974 35.014545786784026 1975 28.782335008437077 1976 46.910636643758586 1977 49.81546207264581 1978 59.390925174732104 1979 63.60193494247355 1980 52.50429809783087 1981 69.59827595827649 1982 71.6643562435535 1983 87.1714528628851 1984 84.02699939172282 1985 83.84086149813747 1986 80.29731588805812 1987 50.80479678308326 1992 54.6960316622561 1993 61.69893720253319 1994 61.062923351095044 1995 58.789149689469546 1996 51.05802426309348 1997 53.71339926829706 1998 56.90145539055841 1999 54.77433857223989 2000 51.72361336668187 2001 50.60554421539604 2002 49.65429650950371 2003 51.83648861055777 2004 46.683344062160245 2005 50.35021661111691 2006 56.68147998404589 2007 43.19286568406824 2008 48.98261789886559 2009 52.72746839492907 2010 64.1613394282499 2011 58.05891670765707 2012 55.353564363727614 2013 52.14524490804497 2014 53.48897869242718 2015 57.08800495108365 2016 59.986559263762295 2017 55.55672456879466 2018 59.374063310248694 2019 48.949245837459685 2020 55.47952695683273 2021 50.059866093543434 2022 44.08390252459775 2023 37.25112141304857