Year	% of merchandise imports
1970	65.27357646233868
1971	71.77072793140908
1972	63.47112022651253
1973	61.43180892754586
1974	58.49620273078592
1975	69.16207844366825
1976	63.653040496344474
1977	62.39552342509782
1978	65.30453783045441
1979	67.86262820505559
1980	68.12459797997677
1981	60.19254809306337
1982	53.68400990984233
1983	56.24383005099578
1984	53.52133877810014
1985	56.96642185734688
1986	57.16301023002616
1987	62.38425572027514
2002	40.57249848981429
2003	42.14186334232764
2004	51.31907383030957
2005	66.38550529802754
2006	63.37521618732465
2007	53.61063867679224
2008	49.63326338751349
2009	46.714142871627715
2010	50.975608643029915
2011	57.455090728005075
2012	50.08705788421742
2013	48.4115940022917
2014	50.68966738305115
2015	37.25666607228704
2016	58.451427665447376
2017	60.37628747677005
2018	59.89831425600737