Year	% of total merchandise exports
1960	80.12978515683231
1961	81.05250980345225
1962	78.45658469010104
1963	75.24632769473303
1964	77.25651703551041
1965	76.02443263718276
1966	76.47979865673274
1967	76.67449812600444
1968	74.41411727126012
1969	75.84785971527106
1970	73.14651169032919
1971	75.75941877702196
1972	70.96466761351621
1973	70.91020743999002
1974	70.91979882937164
1975	69.46840831180647
1976	76.9205518458738
1977	77.22168176773746
1978	73.76119263664332
1979	70.59949000712264
1980	68.91395342716615
1981	69.10146930883573
1982	73.9642777647656
1983	70.23790964518129
1984	71.28616387872539
1985	69.90021643541134
1986	69.02326043734709
1987	66.65088480127838
1988	70.2792974654258
1989	67.02634980972967
1990	69.02407750611266
1991	66.32335082159703
1992	66.6994889905596
1993	65.38664669919288
1994	63.591814250948296
1995	65.45169269482449
1996	64.47335412435953
1997	71.60461867236816
1998	71.49553135303076
1999	71.65464580878891
2000	55.12735963481773
2001	55.44798983400375
2002	54.795042088872705
2003	55.62479478029212
2004	51.46271409633603
2005	50.53865122456938
2006	56.95855438741525
2007	57.345015755379855
2008	55.97526789077093
2009	56.35394260198326
2010	56.35407600339752
2011	53.089064274586015
2012	51.26969436389327
2013	47.07893189655428
2014	48.27837627209979
2015	49.33104045194628
2016	49.74156155770921
2017	49.20896203096194
2018	43.957047015042974
2019	47.761177331153384
2020	49.41649608814693