Year	% of total merchandise imports
1960	73.32806316812544
1961	74.2162844516421
1962	73.94591418694121
1963	73.80239541916225
1964	73.54702434597576
1965	73.93518898389762
1966	74.3562806648945
1967	75.1515998367434
1968	75.15904043361694
1969	75.21686698558862
1970	75.23523611706587
1971	75.90648139676361
1972	76.19558871908221
1973	75.39702478061952
1974	72.60350443935242
1975	73.87863506450995
1976	74.07036348549704
1977	73.71852562899943
1978	74.98497942239194
1979	74.12565228408997
1980	73.81336872676032
1981	75.74810685684021
1982	75.42718013711155
1983	75.10475527622339
1984	75.18397831770672
1985	75.50753009671719
1986	78.54782964487501
1987	78.627204642651
1988	78.83218918314662
1989	78.2259409315681
1990	78.15160580400054
1991	78.23206785963643
1992	78.00412308398386
1993	77.06085020176887
1994	76.10868776910095
1995	75.68937931831101
1996	74.866165304167
1997	75.38080605115638
1998	76.01327180958965
1999	77.54246495982045
2000	74.98687275414153
2001	74.41499887943668
2002	73.8024633286415
2003	73.01064994181625
2004	71.6187943764502
2005	69.55583822870963
2006	68.30331049460499
2007	67.82721085476638
2008	66.43782530553148
2009	66.05751094476472
2010	64.27826271413097
2011	63.903717602490715
2012	63.32578328371815
2013	63.37229356638285
2014	63.295804967008564
2015	62.96099177428989
2016	63.34878158211134
2017	63.06383064189694
2018	62.9752488728525
2019	62.829380679234504
2020	62.30558405587631