Year	% of total merchandise exports
1960	67.27844573612549
1961	66.63339156476167
1962	68.54885558266527
1963	70.3163950143816
1964	70.68769066784284
1965	70.48633760962528
1966	72.0666864696272
1967	70.94482928373009
1968	71.49910075113729
1969	71.7252674495592
1970	71.10585265814797
1972	59.12987843889955
1973	70.48831385642738
1974	68.75778486939603
1975	66.60635349625524
1976	66.01583170444604
1977	66.95662234937731
1978	64.93988665276215
1979	65.24818712136634
1980	61.74106725647176
1981	62.08010239027293
1982	65.7191720233532
1983	73.0735343951203
1984	69.32397166645956
1985	79.66734794559166
1986	70.30432715168806
1987	75.26067814937824
1988	71.2843725257275
1989	74.4174349999642
1990	73.04791923267159
1991	72.27131178672896
1992	71.70094488920103
1993	71.15490282785021
1994	64.65978844799348
1995	66.05145232487058
1996	59.367034882919235
1997	60.039835284343
1998	55.1035436823458
1999	59.50631513230562
2000	63.01586615106142
2001	60.303351120470936
2002	58.11768241208027
2003	59.39179828748692
2004	51.60394237620708
2005	60.47929430659037
2006	63.518371740130696
2007	66.61381083712509
2008	66.66146518793087
2009	67.71040669458947
2010	64.70187379416926
2011	65.25641719462651
2012	52.835871102738786
2013	53.959601690183725
2014	50.454687899798955
2015	50.194267844395256
2016	49.017673382619236
2017	48.900518413505935
2018	47.1045041680076
2019	38.43868833881753
2020	33.36900541653871