Year	% of total merchandise imports
1969	0.02186553505774121
1970	0.029241624817239846
1971	0.02194509908689305
1972	0.03721606707447491
1973	0.05248355610321005
1974	0.04765690118235421
1975	0.029138613002021106
1976	0.04563597914885685
1977	0.034851838393181594
1978	0.0358357125087368
1979	0.03372400032865571
1980	0.02882963686669897
1981	0.026663723564578464
1982	0.026788928654624
1983	0.03583611277245536
1984	0.03112507647621367
1985	0.0481656722370193
1986	0.05844692054436068
1987	0.06608583235451684
1988	0.062210291059774415
1989	0.08367793464636267
1990	0.09945325665325949
1991	0.12738226202131311
1992	1.6718259364098413
1993	2.636683601777213
1994	2.3700854695716993
1995	2.469771646635582
1996	2.663261936542612
1997	2.619338552125419
1998	1.5854869264139926
1999	2.2079843947844227
2000	2.0515879486588737
2001	2.0054980898828982
2002	4.355742012203354
2003	3.6610727723558925
2004	1.7801637709023235
2005	1.3756882376403885
2006	1.300303458356623
2007	1.8671496985864215
2008	1.2164792121019619
2009	1.3932271741469278
2010	1.2147601678483968
2011	1.5203169245949242
2012	1.6219912888332708
2013	1.433370340160327
2014	1.8929661842636163
2015	2.2952564882963276
2016	1.1546088521275848
2017	3.17796191204602
2018	1.591616051838168
2019	1.7453908868013766
2020	1.6382845693457868