Year	% of total merchandise imports
1970	30.30441246881536
1971	32.574198574342674
1972	37.80665872904861
1973	47.89566664427449
1974	51.55137056946282
1975	50.51665852098613
1976	50.50835546400998
1977	44.41848054741528
1978	44.13478435294583
1979	40.358632184870736
1980	37.802237843644335
1981	32.29176457319022
1982	34.458135321347264
1983	33.36252517051267
1984	34.2803338427574
1985	34.83329960969188
1986	34.073184003508786
1987	39.429407144528284
1988	46.61138430370089
1989	54.49177315726318
1990	64.17193375656794
1991	70.55049342680874
1992	74.21163972700097
1993	80.61154666569259
1994	79.54419980434973
1995	80.6232702514191
1996	80.92052653632538
1997	84.25216179154405
1998	85.94185493041441
1999	85.25681412457266
2000	81.47289621794917
2001	80.80144252739998
2002	80.94619301926419
2003	80.27229242033617
2004	82.94896969050143
2005	81.90383482985416
2006	79.93774221916516
2007	79.96306736847176
2008	79.06648487949535
2009	80.22334455502418
2010	78.71647016339668
2011	76.69651177040123
2012	74.61681612312202
2013	76.41373878217321
2014	76.44083811259819
2015	77.63998478264189
2016	79.08198972617501
2017	78.52318253639676
2018	76.95008184370108
2019	76.77903829358947
2020	76.59074333241308