Year	% of merchandise imports
1966	2.0319792306844917
1968	2.2292330513468372
1969	2.2563710884568704
1970	2.420914602533879
1971	2.46358051434823
1972	2.0938486323073664
1973	1.868401001071554
1974	1.8572171131644002
1975	1.4801299713954987
1976	1.4913185231817294
1977	2.240855884721471
1997	2.5704206280523456
1998	2.3536491352308686
1999	2.2234756886161477
2000	1.780538556462999
2001	1.8467566973918408
2002	1.9224578960125243
2003	2.1777406093568077
2004	2.5079578029353478
2005	2.4817448840974263
2006	2.477390396697071
2007	2.272453518567622
2008	3.746034410495562
2009	2.6075887218462217
2010	2.62461548209052
2011	3.2775513155302023
2013	2.796472432689766
2014	2.908332494409889
2015	2.49397206666611
2016	2.2253462123613965
2017	2.604139936366482