Year	% of total merchandise exports
1960	69.17771528298987
1961	69.93065750949545
1962	71.49077009899209
1963	71.74957831846672
1964	71.6903449772489
1965	72.54553781169201
1966	72.73152908785767
1967	73.5503050726386
1968	73.91807082514798
1969	74.60371551531986
1970	73.99013459719099
1971	74.08893975829201
1972	74.84048704792494
1973	74.62771861066668
1974	72.55029851713739
1975	69.46753712778228
1976	72.2138387402312
1977	72.44594655381059
1978	72.46150531053277
1979	74.02134837808174
1980	72.84573853816178
1981	72.21338389564423
1982	72.74323843643901
1983	74.47594963969519
1984	75.63361968419744
1985	75.91954917898363
1986	78.03791069056504
1987	79.31937297584723
1988	79.18418897697852
1989	79.40377313695284
1990	79.46827924807421
1991	79.35577486096948
1992	78.73007743368325
1993	77.47028098198257
1994	77.60500063185556
1995	77.3563309761242
1996	77.01557350562693
1997	77.65195889512289
1998	79.14093897116572
1999	82.86366123711782
2000	81.0927111304787
2001	80.84914963921938
2002	80.65031225157183
2003	79.94159421284223
2004	78.92796917798948
2005	77.7532788592527
2006	76.94606144399505
2007	76.18835206211654
2008	74.675541385025
2009	73.84947783264724
2010	71.7482873124777
2011	71.13022752353893
2012	69.92223644306466
2013	69.6694607965324
2014	70.2476995161811
2015	70.89964444433724
2016	71.66943058562751
2017	70.60272801763503
2018	70.47358284103026
2019	70.76502447236975
2020	71.00712776521607