Year	% of total merchandise imports
1960	88.58447488584474
1961	86.45276292335116
1962	85.47351524879615
1963	84.18640183346065
1964	83.19006685768863
1965	85.42396636299931
1966	84.05703175631885
1967	85.04326328800988
1968	86.8639053254438
1969	84.15187606851853
1970	85.31683584090129
1971	86.74982013765721
1972	84.65380135051093
1973	84.63972443625586
1974	81.99803214488882
1975	77.95597330330772
1976	79.71651438928757
1977	77.76480732454162
1978	81.56413673003601
1979	80.10757696172377
1980	77.19797822783715
1981	77.9343202255721
1982	76.9390422643897
1983	80.14484358795963
1984	78.88979013511849
1985	81.8657872614756
1986	83.63604837660931
1987	84.62501329835585
1988	84.41849664550438
1989	84.74756542695356
1990	84.69994583934314
1991	83.72615219982332
1992	81.12915948143477
1993	82.98682793593363
1994	78.52529661085104
1995	79.84324972586421
1996	78.7856062547725
1997	79.57944112132267
1998	83.89367810245186
1999	81.18336991606607
2000	79.74887256521174
2001	79.71834979865565
2002	74.49785690887326
2003	76.61811723533394
2004	83.72843943194435
2005	84.31199020081783
2006	82.13002573204317
2007	83.99291579604811
2008	84.10718794768238
2009	86.43207168939576
2010	84.34274133346426
2011	85.83984543148512
2012	86.28205926644756
2013	88.23908617765149
2014	77.37550762074497
2015	76.99549682170786
2016	80.42780936305593
2017	77.59718324838207
2018	76.7452804788557
2019	83.19968877768237
2020	74.93336477898465