Year % of merchandise exports 1962 5.082300302375508 1963 4.877484982578392 1964 4.213513964082956 1965 3.983953516150601 1966 3.6940032858855116 1967 3.2434357669487555 1968 2.8761214214113338 1969 2.7939621801508774 1970 2.393435491546219 1971 2.0999113999967647 1972 2.2208869299213165 1973 2.3135438761773615 1974 1.9636095230922732 1975 1.7288890274701336 1976 1.9151984800112223 1977 2.06245677557294 1978 2.003607701247251 1979 1.7569955843848768 1980 1.6179884382080834 1981 1.6558348503624774 1982 1.6822522125503927 1983 1.7166324121372023 1984 1.9602526328882077 1985 1.9309496166647473 1986 1.758624347292826 1987 1.806972241381337 1999 1.3751813665546202 2000 1.5221377024700469 2001 1.3066830989427258 2002 1.2110020765544536 2003 1.2360254058278706 2004 1.2221989603427896 2005 1.2475007077106457 2006 1.2656562491423822 2007 1.3132108330820162 2008 1.2665388637890387 2009 1.2818863782821468 2010 1.398341964311306 2011 1.396826901560388 2012 1.3898232528313856 2013 1.397299887951633 2014 1.3519368223668553 2015 1.3554060431428177 2016 1.2501367847319331 2017 1.183650561441675 2018 1.209008216809909 2019 1.2330902541881046 2020 1.22040559945964 2021 1.230085254741412 2022 1.0099306491387505 2023 1.136701248651815