Year	% of total merchandise exports
1960	74.98100369900294
1961	75.04393991658921
1962	74.23113034079532
1963	74.98849658267866
1964	71.55669562823445
1965	70.69342719848004
1966	74.21097144765379
1967	76.25499978048336
1968	73.92165670785745
1969	73.23837054009084
1970	73.50749203439585
1971	73.1977041651374
1972	74.34761484236904
1973	77.30684192410799
1974	79.6463630633233
1975	77.20329104791828
1976	79.20008508245859
1977	79.62937988215091
1978	81.92786604252666
1979	84.11410784724836
1980	83.39362118781807
1981	78.43465814192373
1982	82.04198079914998
1983	81.56487756619175
1984	81.71220436999418
1985	80.99486152272908
1986	79.85388488702063
1987	80.35599343031794
1988	78.18143556415794
1989	80.33790357176527
1990	77.89804224609587
1991	79.42326734955844
1992	78.41387419399537
1993	77.59372514838958
1994	76.57413864466325
1995	72.29740920810875
1996	73.45592999317492
1997	75.60113519374761
1998	75.92660478285626
1999	75.91914116707854
2000	74.8122336522808
2001	72.93723536199595
2002	72.20747399967169
2003	71.38772218016753
2004	69.77643168025375
2005	67.80412805052427
2006	66.31227170678594
2007	62.446160502293594
2008	61.54280051938116
2009	61.08338442250998
2010	59.79847345805176
2011	58.370134492813776
2012	57.06540898591056
2013	56.04140673871365
2014	56.390071961663956
2015	58.97956424009252
2016	60.32255339312515
2017	57.78234705747164
2018	56.6502094524759
2019	57.28276200573649
2020	57.933735504936344