Year	% of total merchandise imports
1960	0.8409218546729726
1961	0.813680515810379
1962	0.7703343866915432
1963	0.8739563398508908
1964	1.1560105582132087
1965	1.227036843325344
1966	0.9823121921825541
1967	0.9997460991734979
1968	1.0527682742671742
1969	0.986821474077957
1970	0.9160298212596504
1971	0.8351814805214284
1972	0.8248114262272362
1973	0.8234335526866412
1974	0.8250576648408025
1975	0.8882106561943109
1976	0.7838171743904044
1977	0.795568803652791
1978	0.7687224568391616
1979	0.8243532287812032
1980	0.8841697885472335
1981	1.0064904430447752
1982	1.0655780367669623
1983	0.9686323519198724
1984	1.0045375107584735
1985	0.9352603371088128
1986	0.7896655741345715
1987	0.7939730646680023
1988	0.7802194356360456
1989	0.8712042991216619
1990	0.8645221140105152
1991	0.9440731977146696
1992	1.292158062883659
1993	1.4723904373325964
1994	2.027617457778253
1995	2.2871955821242134
1996	2.3738489631715285
1997	2.3691026679306297
1998	2.228791490158486
1999	2.0077610570306708
2000	2.382773362687598
2001	2.4149672318352344
2002	2.6065735461396553
2003	2.8538807699829105
2004	3.1558445509779895
2005	3.3397700934653995
2006	3.5238823758055897
2007	3.927418249493154
2008	4.20150992407234
2009	4.256081987690985
2010	4.54490857271819
2011	4.782967635108169
2012	5.005603085635872
2013	5.021724581741256
2014	4.913138175591261
2015	4.968258489488428
2016	5.019576953402013
2017	5.258910170121104
2018	5.39139334254253
2019	5.6430110300162895
2020	5.792752143886054