Year	% of total merchandise imports
1975	0.1742683340730491
1976	0.629905514172874
1977	0.17183515918688208
1978	0.19601621150470558
1979	0.09064141628638127
1980	0.25392097376211226
1981	0.22552873571244036
1982	0.26511030607552627
1983	0.32618182219914493
1984	0.38403467265214786
1985	0.2860704695088071
1986	0.20481258222454993
1987	0.23767927152472781
1988	0.22510377194219292
1989	0.2957451623935636
1990	0.21817898189920976
1991	0.276311765452748
1992	0.41110819043604624
1993	0.5444741165955658
1994	0.43152605802340305
1995	0.46708008803890777
1996	0.6166644683168527
1997	0.5562720297220384
1998	0.5894977472636356
1999	0.5285414218705666
2000	0.5399148240396004
2001	0.4354532509629723
2002	0.38002778632809303
2003	0.3832933821670107
2004	0.36417184732220487
2005	0.3553030601035622
2006	0.46419178559453983
2007	0.5347328001073227
2008	0.5994543289218035
2009	0.6140518695976313
2010	0.5575735679404271
2011	0.3160597781209662
2012	0.3817638479585478
2013	0.40460272048843005
2014	0.5298281850863309
2015	0.39166446486069917
2016	0.5258700876189497
2017	0.5351943687060952
2018	0.6064647628932969
2019	0.5295335831680688
2020	0.27600986791469007