Year	% of total merchandise exports
1960	2.925531914893617
1961	1.8148820326678767
1962	2.0146520146520146
1963	1.986754966887427
1964	1.8192844147968557
1965	2.63582571274879
1966	1.8567639257294428
1967	2.4328433857070375
1968	1.760214746199036
1969	2.2322634705216706
1970	1.7492439941933238
1971	1.4057049045762364
1972	2.2221466109480312
1973	2.2697065502548055
1974	1.4807536983877791
1975	3.053784956994626
1976	3.7526777483405223
1977	4.318178752790272
1978	4.895100380270924
1979	4.679268995130125
1980	4.570916054781665
1981	4.439697792888678
1982	6.056105744477296
1983	5.142303255716034
1984	5.612024549755693
1985	6.272520194807763
1986	4.3167773150037245
1987	4.564433438228402
1988	3.865313404898743
1989	5.117559380461638
1990	6.498625508408014
1991	3.191004990632758
1992	6.6526490527201405
1993	3.452993141618088
1994	5.085468190718706
1995	4.963394555700615
1996	4.074216314189042
1997	2.1197712129896753
1998	3.0273827710004784
1999	3.0037760028874096
2000	0.8267863453770745
2001	0.8486928404420127
2002	0.9374711904940751
2003	0.7196263369911984
2004	1.5505119403716894
2005	1.5386676431142814
2006	1.1201014640015
2007	1.1895781404949144
2008	0.21363370623028693
2009	0.2511229977109136
2010	0.7954823484841195
2011	0.6784308230831598
2012	0.7307628133118472
2013	0.897045708264643
2014	0.6765333124497718
2015	0.6946972140246401
2016	0.9393805382270095
2017	0.7619764862517062
2018	1.0837824549266435
2019	0.7328927498179724
2020	0.8095313840151959