Year % of merchandise exports 1963 13.055825818527763 1964 12.056586822407922 1965 11.348025118195839 1966 10.460182090116517 1967 9.478038283123139 1968 9.606057243695822 1969 9.599105090600833 1970 8.937739076402565 1971 8.295934977574598 1972 7.539193342270012 1973 8.925747281823822 1974 8.237118886404415 1975 6.287752143781813 1976 7.7029766516209826 1977 7.571274766151727 1978 6.929249232716002 1979 7.416617804433385 1980 7.837632344867098 1981 6.77221180683749 1982 5.5642445493939885 1983 5.573891822466474 1984 5.331068096570057 1985 4.546599078641769 1986 4.415574940263369 1987 4.3827065999362596 1988 4.323225488617042 1989 4.515660891903396 1990 4.417079332317444 1991 3.7077513852724793 1992 3.3171161339791784 1993 3.145781476463376 1994 3.4659091034949627 1995 3.3330166811696307 1996 2.8496730143376263 1997 2.879708660495275 1998 2.702803453521866 1999 3.1499201225060225 2000 2.405102635049498 2001 2.180441507482196 2002 2.1091577442171787 2003 2.1223157044884493 2004 1.9858148934772464 2005 1.8476643406774196 2006 1.7731463831527763 2007 1.9852322960890185 2008 1.701525559114692 2009 1.6909665410721226 2010 1.814340090208223 2011 1.7177344025428662 2012 1.5396572671908997 2013 1.5977439436684642 2014 1.5122056776139583 2015 1.5583488500033014 2016 1.6404504549747667 2017 1.5165220130372314 2018 1.623917368642042 2019 1.5208026176669456 2020 1.5194705403340794 2021 1.811887195719409 2022 1.710725266665758