Year	% of total merchandise imports
1960	92.64229523368812
1961	91.92015209125475
1962	91.7900403768506
1963	92.23257878384376
1964	88.03691870784522
1965	86.16010854816824
1966	87.6750700280112
1967	86.56716417910447
1968	88.06788511749347
1969	88.06931275332947
1970	89.89009399029445
1971	88.13422548602013
1972	87.39303433708305
1973	83.93523890361234
1974	75.56710052924753
1975	76.13347722458333
1976	73.41187059031516
1977	67.69326738229572
1978	72.53928337372167
1979	63.446356891496194
1980	57.392904617923335
1981	64.04452874111168
1982	65.6135551690631
1983	63.77185764406644
1984	69.67317157267061
1985	69.29303793870868
1986	78.77645281523583
1987	81.24687564056964
1988	83.4993852399634
1989	81.70947210249429
1990	78.41651477853475
1991	82.88501141714607
1992	80.35242546083103
1993	84.49025458211773
1994	83.31802044770373
1995	86.56091177809677
1996	85.70273839529641
1997	83.71151406006547
1998	84.14924636374764
1999	82.22550508947714
2000	79.20475532716922
2001	78.96561008915928
2002	78.03738179508716
2003	78.84734307903081
2004	73.92698492480218
2005	74.6014557369459
2006	71.97732702160535
2007	71.56378784088764
2008	72.06648826202802
2009	66.90176352883569
2010	65.51824787909466
2011	62.227888859620585
2012	61.49331068135302
2013	61.81226899788126
2014	65.72087685527059
2015	66.8658125171441
2016	70.90241710403006
2017	70.58701598359256
2018	70.96346009736165
2019	68.77680544481233
2020	63.36263621506899