Year	% of total merchandise exports
1960	90.6183870209264
1961	90.49980166600555
1962	89.82737361282368
1963	90.1130974097045
1964	90.13835263835264
1965	91.46692233940557
1966	90.71532846715328
1967	92.68510258697592
1968	91.99698946312093
1969	92.45276660750793
1970	93.10794620081936
1971	91.76771780288513
1972	90.54421811071187
1973	91.69739184346362
1974	89.35638440025446
1975	89.23029438350167
1976	88.1889145329096
1977	87.13698701783031
1978	87.17764563816041
1979	85.72536125485077
1980	84.46748991727874
1981	84.18740334598623
1982	85.07283684472058
1983	86.1390575765089
1984	87.26452383965938
1985	87.66352351454334
1986	88.14372751592639
1987	88.83356743372833
1988	88.79917227427877
1989	89.30786973637731
1990	90.19775570528424
1991	90.49591576214634
1992	90.80461328753577
1993	87.69567578936824
1994	88.18627674610681
1995	87.8027923201279
1996	85.36992688619466
1997	85.74280543697394
1998	86.95034134934959
1999	91.99468193008107
2000	91.10137750914477
2001	91.40225890683656
2002	93.96092248714038
2003	94.53995091986828
2004	94.66985179669301
2005	94.24296578450424
2006	92.95196088111722
2007	92.35867555081852
2008	92.1832703925689
2009	92.91020235526213
2010	92.83920223959308
2011	93.02700940333867
2012	92.35770732029665
2013	91.7637207835041
2014	90.8982417621451
2015	92.0837654731603
2016	91.44127099966377
2017	89.25794992173792
2018	89.82000973032999
2019	89.28683113691967
2020	88.65071634379203