Year	% of total merchandise imports
1970	56.39056500274273
1971	61.97649894546551
1972	74.05128205128206
1973	82.77192080226278
1974	85.62657631263852
1975	87.16670150189603
1976	88.60666546784152
1977	89.23127937157689
1978	88.88149977832668
1979	90.15925227646517
1980	90.8698815215132
1981	92.78781230743681
1982	92.22071865528926
1983	92.39778517834931
1984	92.5608407079646
1985	92.80680318831901
1986	86.92788403591639
1987	84.99433622611619
1988	89.7716936221817
1989	91.24849820939632
1990	90.01180948986155
1991	91.58505925750865
1992	92.33025937800554
1993	91.89056341099977
1994	89.68167386199646
1995	87.09410435148044
1996	87.03931349774489
1997	88.84448871937052
1998	88.67098952577868
1999	87.45895416375822
2000	86.41195953800315
2001	85.8242641686196
2002	85.71003427197064
2003	84.46157817906932
2004	88.29284344775998
2005	84.00426864725333
2006	81.46968959609524
2007	80.25295334843322
2008	79.01734894165662
2009	77.94103983287634
2010	80.3999958480538
2011	77.45314052995997
2012	74.92137751639677
2013	73.75654150587908
2014	76.67010509667398
2015	77.56891164321806
2016	78.00231944781132
2017	74.7135305879917
2018	76.61461733137692
2019	75.93523937481142
2020	75.93523938659524