Year	% of total merchandise imports
1960	0.9685230024213075
1961	0.8284281665576629
1962	1.405944118170493
1963	1.3530157543756016
1964	1.3296975737446748
1965	2.2550765925885683
1966	2.478998347883767
1967	2.733459696114333
1968	2.01981667343679
1969	2.2977992892741517
1970	1.4675172622780488
1971	2.2430737774532123
1972	2.6282191369894132
1973	2.9902245333223996
1974	3.6776490982922954
1975	2.9826964031463836
1976	2.512525915840368
1977	2.7848054798694073
1978	2.9268939656863084
1979	2.85194087225634
1980	2.199015867467034
1981	4.330496760100525
1982	4.768863522508587
1983	4.541283550985525
1984	4.474497107933264
1985	4.682817176343995
1986	5.5027367867197645
1987	5.534222889427816
1988	6.3311980560915995
1989	6.3021461060465525
1990	5.70075342650944
1991	6.693011928148904
1992	7.130922590589014
1993	7.55436838544011
1994	6.129196963955211
1995	6.428617439443955
1996	6.509903718609354
1997	7.407925593404807
1998	6.986532581910499
1999	6.855517051219158
2000	12.311116576257861
2001	11.20797661861006
2002	10.935738957638774
2003	11.670776643470338
2004	11.75660214294764
2005	13.71885569355501
2006	11.017004459126827
2007	11.522940608514993
2008	13.517536515289407
2009	13.89237430765714
2010	14.117295596218863
2011	15.158508415630557
2012	15.60216769486783
2013	15.214805283983978
2014	18.440649227951795
2015	19.4731440215102
2016	20.476404292021364
2017	19.479582444603334
2018	19.42429482290514
2019	20.873413809351955
2020	20.18893121302257