Year	% of total merchandise exports
1960	1.9526568118258092
1961	1.6344550642275086
1962	1.3455966283255774
1963	1.4431067331468646
1964	1.3610749891634157
1965	1.6692625981340758
1966	1.7148536588983991
1967	1.5388631648369768
1968	1.6358813715959146
1969	1.444587318170859
1970	1.1698244837883596
1971	1.0104699293888484
1972	0.7240417620137299
1973	0.887776858782798
1974	0.9239733291075978
1975	1.2336796544212327
1976	0.9263506371776719
1977	1.0424671570241886
1978	1.0858027597985618
1979	0.9066623110858432
1980	1.1609105977065926
1981	0.9798556921276825
1982	0.8635161775419428
1983	1.025702068718174
1984	1.0895975817806391
1985	0.9134609744365841
1986	0.8916972799507208
1987	0.9084364682684016
1988	1.1034409103266145
1989	0.9340933523598095
1990	0.8808611980565505
1991	0.9722880540643042
1992	1.1690184143565696
1993	1.6487015511628038
1994	1.4739739285799256
1995	1.65380314128715
1996	1.4748663692244113
1997	1.5858100318913888
1998	1.1024182930006918
1999	1.010543849050433
2000	1.1927805396076676
2001	1.2201346978371777
2002	1.3174198542006441
2003	1.3538610700795328
2004	1.5405947131831952
2005	1.4124323966115393
2006	1.535105817921561
2007	1.6075683437550974
2008	1.5750281930110532
2009	2.0736117677267156
2010	1.9292973630372516
2011	2.0674766495079555
2012	2.3366247951397625
2013	2.444191910730053
2014	2.393811740141074
2015	2.7021985234256944
2016	2.963431914841414
2017	3.004672107381933
2018	2.898333978901827
2019	3.0121888749019186
2020	3.4693794997020797