Year	% of total merchandise exports
1960	80.06090657088197
1961	81.89967436244558
1962	81.1286449399657
1963	82.92430653502586
1964	83.89879083986133
1965	85.07813091661828
1966	84.8862544807066
1967	83.95959506653111
1968	84.73297919792385
1969	82.72982949551768
1970	83.66537389586067
1971	84.93618960802188
1972	84.76153503613799
1973	85.36358778312163
1974	83.39329517579722
1975	80.91712222914215
1976	81.51953391991147
1977	82.23518723710399
1978	82.33652367509009
1979	83.29967235028732
1980	81.03726912345596
1981	79.0520527970594
1982	80.67936264313266
1983	82.3252169624462
1984	82.82175091928833
1985	83.97447472390954
1986	85.17456308068316
1987	85.6544201926891
1988	85.93925482423813
1989	86.60856227095306
1990	87.27168669524987
1991	86.64270287316685
1992	86.73999941237135
1993	85.40801897098382
1994	84.89268068192757
1995	83.75400888459808
1996	82.95694457195093
1997	83.01377199363284
1998	82.59905851237389
1999	87.86376838798628
2000	86.56223995197794
2001	87.17575452053183
2002	87.99180382891917
2003	87.2149510008226
2004	86.22543261629842
2005	86.87201520609894
2006	87.1748600674908
2007	86.44529963430222
2008	84.66779197819399
2009	84.14717331137871
2010	83.31358087483433
2011	80.73599629451319
2012	83.18712193030268
2013	83.74378690705032
2014	84.36616698958365
2015	85.36067446866251
2016	85.91841693588916
2017	84.99630765759875
2018	85.41885350850767
2019	85.55227254010562
2020	85.43951504688695