Year	% of total merchandise exports
1960	0.31728514277831427
1961	0.8018005345336896
1962	0.5450333832947268
1963	0.28532608695652173
1964	0.282929896259038
1965	0.34968740065698845
1966	0.3586228881096589
1967	0.18794274974700015
1968	0.44383168391629524
1969	0.21417794705689955
1970	0.19162618668072484
1971	0.25454384585804757
1972	0.17143728603206823
1973	0.3233717515000533
1974	0.5024762573947733
1975	0.5756220915833518
1976	0.4718392102165739
1977	0.5492177585300964
1978	1.1331554907684767
1979	1.1067749456911302
1980	0.702089567224171
1981	1.1070862175488856
1982	1.7207940835136604
1983	1.9031759308544345
1984	1.42708355005025
1985	2.5994697149459913
1986	1.5254010955842239
1987	1.273269394162794
1988	1.0265211096336757
1989	1.1210145951266988
1990	1.1043969174817172
1991	1.0308932230347378
1992	1.1428530537852655
1993	1.8132002908165923
1994	1.6015244350513058
1995	1.7322946418279632
1996	1.5559151930450856
1997	1.4376860781633845
1998	0.9113994599775821
1999	0.9823968400949129
2000	1.0159586486110386
2001	1.1264698600655085
2002	1.1834485394798715
2003	1.36073030625048
2004	1.3432622013133177
2005	1.588502614440186
2006	1.5276764143262238
2007	1.7237801135803053
2008	1.6584692927268803
2009	1.8540433116734663
2010	1.9428737378503351
2011	2.2044446350671003
2012	2.390535821931021
2013	2.437865150756853
2014	2.492734307142879
2015	2.6727670173909654
2016	2.76505697028426
2017	3.0511091603005656
2018	3.030014363496888
2019	3.236706296666646
2020	3.841025229711904