Year	% of total merchandise exports
1960	78.57142857142857
1961	87.21461187214612
1962	89.22749822820694
1963	94.06528189910979
1964	92.54807692307693
1965	94.40050219711237
1966	94.33165829145729
1967	92.49448123620309
1968	95.93739950691392
1969	95.38113695090439
1970	95.40919851200542
1971	96.20548961424332
1972	95.75426739450654
1973	91.79741260666117
1974	89.69712376525277
1975	91.20005246847792
1976	93.07405177603853
1977	93.86745086788122
1978	94.82572400496633
1979	94.2187655426241
1980	91.0689356266253
1981	87.64076685028957
1982	87.64076684981713
1983	87.64076684939549
1984	87.64076685091042
1985	87.6407668504822
1986	84.71888770071277
1987	85.3354833642682
1988	86.88081132260899
1989	89.78605907096217
1990	84.46516124248619
1991	86.70049676623873
1992	84.51542495070778
1993	89.6323963498482
1994	87.2439193659843
1995	87.15141381068136
1996	86.58142967736404
1997	86.93653450163194
1998	83.26053956336344
1999	87.42283417306169
2000	81.18910575233488
2001	78.01466615455487
2002	77.62932469849223
2003	79.99746718541049
2004	79.6688574986802
2005	82.57830272491239
2006	83.57574772444212
2007	85.64857229146178
2008	87.30017024397648
2009	78.91276898542748
2010	87.62880438145285
2011	85.29926014965797
2012	84.69281436229697
2013	89.39242896596855
2014	91.0329253239978
2015	82.7023797951074
2016	86.72928201875384
2017	86.72051535081194
2018	76.42443370279732
2019	75.79038219910602
2020	73.1149519800962