Year	% of total merchandise imports
1970	3.4801925212884117
1971	3.569131832797428
1972	3.3757833030119264
1973	4.204993429697766
1974	6.353232989458256
1975	5.53653383842063
1976	3.1727929350527826
1977	2.3755808796590885
1978	1.9063383425085554
1979	1.5021706005807436
1980	1.0455197843615445
1981	1.3409634437991118
1982	1.1864783838469444
1983	1.9267592149353758
1984	1.8500113584734215
1985	2.83775447254781
1986	3.1565852900015545
1987	4.158817562672076
1988	3.4130893736805064
1989	3.692854901140287
1990	3.2339609483960947
1991	2.8115396630511382
1992	2.480762604800735
1993	2.546106557377049
1994	2.3211567732115674
1995	2.5842750202641493
1996	2.7355488774969063
1997	2.7471100735619327
1998	2.616467162730508
1999	5.75628831415198
2000	2.7191846066557637
2001	5.018200021313528
2002	3.9598056223534255
2003	3.126053106942931
2004	2.662434994099146
2005	1.9882919791966054
2006	2.753082514429218
2007	1.9239802376812047
2008	1.6486798118223431
2009	2.5750535989895877
2010	2.875451977926258
2011	3.0077509904204462
2012	4.202948212058054
2013	1.4517056764838598
2014	1.6189744222479443
2015	1.6996859191673845
2016	3.1183091658171307
2017	3.0942202671188492
2018	3.8352043979827264
2019	3.3747929525876685
2020	3.412595287215124