Year	% of total merchandise imports
1966	0.21663778162911612
1967	0.2695417789757413
1968	0.7020408163265306
1969	0.47965341172829956
1970	0.6431902235086027
1971	0.9225092250922509
1972	0.8402307499372963
1973	0.8832926141702687
1974	0.7648306446429719
1975	0.7286737300556975
1976	0.7701101016785994
1977	0.6484120100772313
1978	0.8666753551414049
1979	0.8791335628955619
1980	0.8295833715982489
1981	1.0116654115574248
1982	1.3084676202546925
1983	1.6179781376298588
1984	2.123960476369853
1985	2.2594791368548677
1986	2.5079975650158906
1987	2.9364196932723376
1988	2.922308416638445
1989	2.75919657988796
1990	2.4944430723635462
1991	0.37529364579155444
1992	1.2412006998112715
1993	1.8412429194402822
1994	2.535362301117328
1995	2.1389070379636435
1996	1.9239659226497534
1997	1.919962412915766
1998	1.60540528435627
1999	1.6984428288805162
2000	1.8051097813344514
2001	1.8852224194505596
2002	2.3803090564921723
2003	2.478124590024861
2004	2.6618543919634403
2005	2.6100243672221617
2006	2.3908332091683593
2007	2.0350737238437224
2008	2.8362721894093426
2009	2.7037533978322226
2010	2.739159154600605
2011	2.4792409869593763
2012	2.4452652746587527
2013	2.478892024798797
2014	2.604737464185359
2015	2.6261039103335873
2016	2.311914125680046
2017	2.357089575884496
2018	2.5602952210343646
2019	2.6929766914863684
2020	3.355220100816097