Year	% of total merchandise imports
1960	6.526652414191049
1961	6.477815557270699
1962	6.385735266271272
1963	6.139702578555107
1964	5.951366174241154
1965	5.821768766823561
1966	5.453119829932038
1967	5.482753132493427
1968	6.025063357897222
1969	5.568674565405504
1970	5.349455699236525
1971	5.247424834126211
1972	4.5627726494433185
1973	4.750120820201504
1974	8.518843783049242
1975	7.496359088418646
1976	7.706910760771966
1977	7.084356976398118
1978	6.592102582601599
1979	6.455357954226175
1980	6.825284391322238
1981	5.816357249779524
1982	6.761908920438153
1983	6.887219489729526
1984	6.5712483968766655
1985	6.5568336649367716
1986	3.500947032443074
1987	3.4304827515749694
1988	2.765411590968791
1989	3.158488317891292
1990	3.3793222660377666
1991	3.0834898621053863
1992	2.8630815441977377
1993	3.0108951200590943
1994	2.6307944344904515
1995	2.4122633377206584
1996	2.6579004620244944
1997	2.4766426234496524
1998	2.036933688576336
1999	2.2014552544683657
2000	2.890270955598139
2001	2.6290296565087488
2002	2.38943377397311
2003	2.3801275638224637
2004	2.4782021098003812
2005	3.0512097873283435
2006	3.206131721648605
2007	3.0123824828398473
2008	3.563868552827193
2009	2.873343436261118
2010	3.1636653794431986
2011	2.726085602041083
2012	3.0719699290313156
2013	2.5717623768362703
2014	2.2551120201520805
2015	1.8704826254764626
2016	1.775118459951312
2017	2.0843038109877954
2018	2.2323861803600042
2019	2.0152296819086666
2020	1.414890871936167