Year	% of merchandise imports
1963	68.37131484783026
1964	65.29818196506733
1965	67.13325527780498
1966	71.04616427193233
1967	68.21099491634142
1968	69.15942886144278
1969	73.19343355588545
1970	66.58459065754705
1971	67.43883057179346
1972	66.7774051471624
1973	66.52881308224406
1974	66.31817624411018
1975	75.80796379152304
1976	77.53350689674672
1977	75.12418776282635
1978	75.03469485141548
1979	77.7660865492525
1980	59.64421431747532
1981	58.36088128874894
1982	54.66273311517688
1984	54.966996405674216
1985	41.887275352505945
1995	59.41864997458215
1996	59.930445217690675
1997	64.99822522588754
1998	71.86054803382221
1999	67.57966545871135
2000	67.96623586690254
2001	76.39302218603318
2002	74.32886913747905
2003	78.0903328109503
2004	81.73389447069258
2005	80.42546778503579
2006	80.60306035646715
2007	87.12562952095053
2008	79.05679517140176
2009	78.12621720738106
2010	65.9627673200567
2011	67.30941587786339
2012	65.18365432807185
2013	63.81285948755618
2014	57.24510441531644
2015	75.50063501009595
2016	55.627529562168476
2017	68.9516071057144
2018	56.01244346095581