Year	% of merchandise imports
1975	51.59395631902688
1976	46.4161237713923
1977	47.95599618540252
1978	49.20116223763429
1979	53.09179449723317
1980	49.8454780240263
1981	47.82317175077396
1982	50.48035292967838
1983	48.55876677081908
1984	50.14969081908966
1985	53.362423690005286
1986	55.13088128531248
1987	57.23792641973666
2000	21.75086620956369
2001	22.026152628088745
2002	23.216795904452766
2003	23.319001073683133
2004	24.253992446589663
2005	20.3307711443214
2006	18.26010009195566
2007	19.626060038189365
2008	38.63292680705314
2009	39.590583159467634
2010	44.79245580219123
2011	44.060111333890625
2012	45.179307837553544
2013	42.056511321149046
2014	47.52917605621925