Year	% of total merchandise imports
1960	80.96423181806148
1961	78.00977823397531
1962	78.302829429971
1963	79.51354120825972
1964	80.07275683789192
1965	81.88232503903393
1966	83.38284907738915
1967	82.4932554484247
1968	83.4488393185072
1969	81.90600515470553
1970	83.1241010231594
1971	85.45528666840141
1972	84.08828260633172
1973	83.87049778377843
1974	83.962913114194
1975	83.99066507625028
1976	86.50371663881609
1977	86.9385134839482
1978	86.62178771216892
1979	86.74847467581567
1980	86.96563756064529
1981	87.99691765967809
1982	86.60249030979466
1983	86.34722176590701
1984	85.54099553865908
1985	86.04331716417374
1986	85.02880485112915
1987	85.59636345676418
1988	84.19827836174393
1989	83.38150494671974
1990	83.55798503833019
1991	82.46737113629537
1992	83.05854706629637
1993	80.69411301156806
1994	80.11513303949856
1995	80.04527534121002
1996	81.01770109197791
1997	81.11915977422952
1998	82.40668875614125
1999	81.70708017483747
2000	64.28194999228762
2001	64.8216627510872
2002	63.6279670745791
2003	62.13340919045406
2004	57.9968271325012
2005	62.41270692511047
2006	64.42972163343988
2007	66.2698151334201
2008	64.42244149362578
2009	62.20740488469379
2010	59.794219125457026
2011	64.10310326361167
2012	60.71716026907868
2013	64.97983120912755
2014	65.14065568869104
2015	62.24326868613045
2016	64.36645583524616
2017	62.78790316166394
2018	61.56140862718546
2019	60.617356895483375
2020	59.23875959438718