Year	% of total merchandise exports
1960	1.24454973049061
1961	0.8866526812639308
1962	0.9049700763013986
1963	1.062727568751665
1964	1.1714232419324753
1965	1.2702951811500012
1966	0.9876419170099469
1967	0.8893262624605908
1968	0.6955284179597833
1969	0.7101974558837935
1970	0.8143964271640616
1971	0.6439461981046317
1972	0.5707536026458776
1973	0.4955476368808492
1974	0.5867405331950267
1975	0.7245632518187448
1976	0.6463181540522965
1977	0.5372505171610213
1978	0.6431883974181613
1979	0.5430624882073449
1980	0.6907996238176016
1981	0.7995611007680736
1982	0.587309675309271
1983	0.4431466670836232
1984	0.47433255108516165
1985	0.42464552288128876
1986	0.35759909217986074
1987	0.27816340800629513
1988	0.34676985732120535
1989	0.3420928242301159
1990	0.30632019869627575
1991	0.2595345220057819
1992	0.24913086479778782
1993	0.18307202257149963
1994	0.1940382980332337
1995	0.1908522004425955
1996	0.22627406153862567
1997	0.24862060415351
1998	0.1976776132141515
1999	0.1591365988134753
2000	0.148355901937266
2001	0.16954817556241053
2002	0.1654095141427518
2003	0.19548628502840565
2004	0.21464254991784568
2005	0.27295680375448383
2006	0.35623221880271444
2007	0.43863911011928836
2008	0.4645866923317945
2009	0.44822070339532016
2010	0.4850860971757711
2011	0.4631566183636944
2012	0.5055254135853732
2013	0.5192411087975695
2014	0.5817767846997479
2015	0.5670557203306822
2016	0.4434050977926078
2017	0.359918718017904
2018	0.3895847028286398
2019	0.4626870082358585
2020	0.5215967881090059