Year % of merchandise exports 1962 1.445418478155382 1963 1.832227169576364 1964 3.074066686128697 1965 3.553498811298022 1966 3.532116130040925 1967 3.9889834704438862 1968 3.280454372628873 1969 3.7035750078831775 1970 3.0778678443154885 1971 3.139922719437342 1972 2.8565014090405136 1973 2.0973127040262804 1974 1.4463378460396585 1975 1.871075292930886 1976 1.8684773697495665 1977 1.3861379814492383 1978 1.3281241203796121 1979 1.3843268286971604 1980 1.081154547693351 1981 1.4389173393984238 1982 1.0034755204069945 1983 0.7972399784826038 1984 0.9141884689677542 1985 0.7007897619180743 1986 1.0189451486164849 1987 1.3136706291844042 1990 1.4044496788237277 1991 1.7084306030070358 1992 1.2829749773812256 1993 2.1239329242319487 1994 2.500742648988023 1995 3.0128293186653616 1996 3.1861787821263623 1997 3.6486640907524035 1998 5.05561139854964 1999 5.040370370959824 2000 3.943518100562429 2001 5.747706909602083 2002 6.593229050476973 2003 5.644476311931245 2004 5.245857867178728 2005 4.354585331321273 2006 4.038917198684108 2007 3.640591713786714 2008 3.5468838267866425 2009 4.606636536951329 2010 4.2139849916135725 2011 3.6871542368336145 2012 3.8426003183835182 2013 3.9517837697991047 2014 4.315585941063628 2015 5.630168613833863 2016 6.024679612629465 2017 5.300560198762513 2018 4.6686390089139085 2019 4.949566877378377 2020 6.548209153614922 2021 4.465654307868478 2022 3.5845878301155945