Year	% of total merchandise imports
1960	0.9068031323370215
1961	0.7979586583550637
1962	0.9945767964361807
1963	1.0503469896305029
1964	0.6035793660077202
1965	1.1768783976868253
1966	0.8901343443501195
1967	0.7313603066539678
1968	0.5304844978758022
1969	0.7076604900875305
1970	0.8207934336525308
1971	0.945076609137758
1972	0.7895557017695743
1973	0.7740229824882863
1974	0.47891653093238395
1975	0.9122282511539058
1976	1.106956585288007
1977	0.6496501086852325
1978	0.5357829767738946
1979	0.6008171913337076
1980	0.6271108001344301
1981	0.8517819848855486
1982	2.5244245419545095
1983	0.8518164458967128
1984	1.1282586754659376
1985	1.0419194003921903
1986	1.359096311764031
1987	0.6218303122532352
1988	0.472616387307592
1989	0.5531836396271429
1990	0.6477002971382388
1991	0.753075309441691
1992	0.11491802855867714
1993	0.295935108943987
1994	0.352875017573457
1995	0.46882821826023335
1996	0.4084868922879281
1997	0.31412672769700234
1998	0.3905825916808685
1999	0.4420529520194254
2000	0.2821083724915087
2001	0.26525790877826594
2002	0.3462862996973361
2003	0.3719590526876797
2004	0.47229768691879725
2005	0.5059126491023411
2006	0.48996244047272863
2007	0.5370170979301558
2008	0.7777811816969831
2009	1.1607101476459465
2010	1.1772955701567156
2011	0.7763956339649469
2012	0.7438049987452814
2013	0.6163157202113897
2014	0.45323264041159333
2015	0.456450714083891
2016	0.43975441927466985
2017	0.47775066874229744
2018	0.5701168164923636
2019	0.517574183665933
2020	0.478038297579873