Year	% of total merchandise exports
1960	1.8656072686991765
1961	1.9003439895949954
1962	1.6181543405400658
1963	1.5635759656585435
1964	1.581827540982518
1965	1.7282213467882228
1966	1.5996032945404581
1967	1.7400034155904194
1968	1.6671591350560924
1969	1.8046515535109577
1970	1.8443591363805703
1971	2.009372934840079
1972	1.8023359990394612
1973	2.048522893324826
1974	2.6041505089198127
1975	3.199284218397682
1976	2.4283606202204226
1977	2.5126175961863035
1978	2.304249730463066
1979	1.9285922069883759
1980	2.429170119044083
1981	3.6265118761058166
1982	4.0633545031322775
1983	4.328442491616908
1984	3.9779516849070204
1985	3.7171567815626
1986	3.502961323734608
1987	3.271636983112689
1988	3.080669974364995
1989	2.5456049824096043
1990	2.3928339178885523
1991	2.2212626106870763
1992	2.2051249799470516
1993	2.098994300103029
1994	1.6627964339232213
1995	1.7904470363701914
1996	1.70034202877022
1997	1.6709688602386137
1998	1.74655048920021
1999	1.5850400708306682
2000	1.5522256355230288
2001	1.9069632212671817
2002	1.986944551719932
2003	1.9949721415496526
2004	2.1896615082384896
2005	1.9556657552056051
2006	2.0158384960556948
2007	2.4443875685873384
2008	2.8414117273731403
2009	3.258631502902181
2010	2.892975054606927
2011	2.4312868118338593
2012	2.634394218665917
2013	2.6174015087557025
2014	2.802002994315172
2015	2.722173739323558
2016	2.760918237829117
2017	2.589783453911352
2018	2.4196510251143533
2019	2.4087480526709597
2020	2.272391329415578