Year	% of merchandise imports
1963	20.24054507652171
1964	24.262755991894338
1965	24.367375904427966
1966	22.662294782016566
1967	23.205844906964984
1968	21.35924786650156
1969	13.996977304648194
1970	21.27177890408412
1971	21.016434356370823
1972	23.31230042845643
1973	24.290786824720367
1974	23.90871677205678
1975	18.670388326334244
1976	13.896963987989217
1977	12.737492658455835
1978	19.00897371970047
1979	18.73118112145225
1980	25.868382558772968
1981	19.26322805448704
1982	21.150260520236394
1984	17.265467813032863
1985	16.8901031187523
1995	24.384836658683035
1996	17.33761019402608
1997	15.636254303874347
1998	15.149572972836264
1999	18.469817466498313
2000	22.733879915805392
2001	19.338219193424308
2002	18.678500129357342
2003	16.393760545832937
2004	14.388953870403407
2005	12.511408875788904
2006	11.90522896647774
2007	8.144656859125508
2008	13.027204736425357
2009	15.212154451509443
2010	25.875509005716435
2011	17.977841169210844
2012	22.225551153290272
2013	19.52250012175497
2014	25.4217512033133
2015	20.50101256198948
2016	36.341987786866
2017	21.176657962612456
2018	29.910086879956555