Year	% of total merchandise exports
1960	0.8201242415847416
1961	0.7459717333069371
1962	0.6772183552919729
1963	0.707590095198771
1964	0.6048396622408285
1965	0.6949062613464625
1966	0.9023107732899587
1967	0.9050479886985806
1968	0.8288153138604951
1969	0.735567206500582
1970	0.7315092196388752
1971	0.7265552732145553
1972	0.8112970586629998
1973	0.8237432215480481
1974	0.9893372990514765
1975	1.1611965482903224
1976	1.1079817260661318
1977	0.9434176255109135
1978	0.7545177969035417
1979	0.716283716825792
1980	0.7189571245991866
1981	0.761337726208401
1982	0.7573380064888736
1983	0.8206046350296456
1984	0.8543037566686899
1985	0.9585597485398976
1986	0.876851317410317
1987	0.9289018802459107
1988	0.8359128013338369
1989	0.7829098035395832
1990	0.873315871000431
1991	0.8722834165333639
1992	1.5985533065971416
1993	3.217868278528081
1994	4.141510852570747
1995	4.496786304415156
1996	4.866056683135405
1997	5.0621127156710095
1998	4.369271653899275
1999	3.370892401989136
2000	3.884702924781211
2001	3.7376298081137653
2002	4.159810558686656
2003	4.585200680047623
2004	4.994785390451937
2005	5.653387469344363
2006	6.252355699151966
2007	7.161264886290396
2008	7.835234472081827
2009	6.198389594526857
2010	6.69658755283148
2011	7.439805547657824
2012	8.274291946604661
2013	8.076444454773194
2014	7.274734155426772
2015	6.205454043176847
2016	5.965410626706022
2017	6.434411911320853
2018	6.1787941016323
2019	6.395488626804889
2020	6.516935155470318