Year	% of total merchandise exports
1960	77.3457805123853
1961	78.62348970307684
1962	80.0341603739662
1963	80.32990202158005
1964	80.38467351874246
1965	80.42877368030742
1966	80.54279368363405
1967	81.85135558913248
1968	80.55569399451782
1969	81.29138001682158
1970	80.55857253685028
1971	81.23109024517476
1972	81.17287543655414
1973	81.14464012732185
1974	79.30115635997988
1975	76.48067343707766
1976	78.25430831211177
1977	78.3014688341342
1978	79.4377022825317
1979	80.05188641299976
1980	80.05930993998159
1981	79.05593590838983
1982	79.16697102390903
1983	81.5798319327731
1984	83.3472618798895
1985	83.40037748773894
1986	83.61723259626321
1987	84.44608547729881
1988	84.90479576518922
1989	85.5671476950117
1990	86.62040628675365
1991	87.06105280693042
1992	87.05753119660254
1993	87.0127212856972
1994	87.29989264442344
1995	87.09129445143564
1996	86.65221754059527
1997	86.7377928727586
1998	87.85941773409016
1999	91.00492706596586
2000	90.35902589091323
2001	89.97032736369104
2002	89.57113712896701
2003	89.22579881322083
2004	88.19024985425588
2005	88.23298765799314
2006	87.49448582785942
2007	86.56930735883105
2008	86.01032452853734
2009	86.06296198158017
2010	85.05411335825934
2011	84.29629018955812
2012	77.08830624815977
2013	75.10078624992664
2014	77.37729944882776
2015	76.86760774326437
2016	78.73513670150642
2017	75.1526371702277
2018	75.4188578977093
2019	79.11429932716274
2020	81.68261984465414