Year	% of total merchandise exports
1960	84.8781897979028
1961	84.62651236191479
1962	82.87496941521898
1963	86.37413394919169
1964	85.22427440633244
1965	85.50766867102858
1966	85.44653563422138
1967	88.48402363203316
1968	90.22198583545614
1969	89.62638787584083
1970	87.34415198891747
1971	88.62678322985235
1972	91.36494864877656
1973	89.96533693672522
1974	91.23647604327667
1975	93.84932640183742
1976	91.65291164572767
1977	88.31794799520823
1978	91.16968761316637
1979	93.57864209465436
1980	91.81776436338346
1981	94.67993192826286
1982	94.67993195070085
1983	94.67993195910104
1984	94.67993197197153
1985	94.67993193803915
1986	94.67993192232265
1987	94.67993192234587
1988	95.28186033860025
1989	93.34932371009923
1990	96.3470192087559
1991	97.02316956583573
1992	93.7536000881378
1993	93.90938371518598
1994	88.9291160219822
1995	83.49797210423642
1996	92.77282049448893
1997	99.36073185145497
1998	98.59702308236572
1999	96.89135427489349
2000	95.46868406148091
2001	98.86481512479419
2002	90.98754090327073
2003	91.21030774967758
2004	89.90886121744003
2005	91.81490523758879
2006	87.43840621096174
2007	85.84726294487584
2008	84.85218746518413
2009	94.09604542532747
2010	92.82957699683017
2011	94.59373816397483
2012	93.51379481883961
2013	94.52659229357684
2014	93.73247413690953
2015	90.78281130178442
2016	89.68173236916243
2017	91.06639636548628
2018	92.30527325820036
2019	92.14428996316732
2020	92.15361718397453