Year	% of total merchandise imports
1960	1.467351430667645
1961	1.7303370786516854
1962	1.128084606345476
1963	2.2546117057617856
1964	2.841530054644809
1965	1.5788303313319991
1966	1.419327906491338
1967	1.4484356894553883
1968	1.7928286852589643
1969	2.459045711424279
1970	2.259038340941242
1971	2.682168097825308
1972	3.1410519827409082
1973	3.1853315612758815
1974	6.861086818774514
1975	5.922659509405592
1976	5.732530378623244
1977	5.385513250991203
1978	6.972760441605913
1979	9.962259204439322
1980	9.797101723229455
1981	2.0383142466181154
1982	4.22982284604798
1983	4.860683958128647
1984	8.47913552693544
1985	4.866015760416828
1986	5.228984348164896
1987	8.184763273528336
1988	5.77964345475792
1989	8.290352436280688
1990	5.5727033748751165
1991	4.0611625868252155
1992	5.502570012383598
1993	5.308610688869003
1994	5.753402523832773
1995	5.161503959689309
1996	3.716654266490881
1997	3.9746279023437774
1998	2.396896389732946
1999	1.6820138314808688
2000	10.392060167212772
2001	9.451239813734547
2002	8.060975311221668
2003	3.5932312337708696
2004	4.403397862248846
2005	6.682645508552135
2006	8.143724481616344
2007	7.358491159701271
2008	7.741743065600922
2009	6.460436320207069
2010	7.12480987669047
2011	7.1103712295007195
2012	6.398611888340653
2013	7.597311762808162
2014	6.541611120147296
2015	4.900649529043817
2016	3.103620930077949
2017	2.8714757179719435
2018	3.3226555548966243
2019	2.9945755425834495
2020	3.382524262834821