Year	% of merchandise imports
1972	3.0585590160422864
1973	2.7515883989884715
1974	4.469804834677694
1975	3.7618886154519533
1976	3.7787372976501747
2000	12.455986036621537
2001	12.004711337548317
2002	10.663092719873639
2003	13.943552029872066
2007	15.105816890568784
2008	23.050735075618267
2009	12.457721064154772
2010	14.184892411164226
2011	17.625065396473918
2012	16.099029775304665
2013	17.222732146869784
2014	20.50041152619186
2018	20.52265587870776