Year	% of merchandise imports
1966	64.55697222329898
1968	64.58090594415829
1969	68.33213719438149
1970	67.27386058334163
1971	65.24989039621687
1972	66.0941186172497
1973	67.34039694258146
1974	61.268367364544254
1975	66.50031436645283
1976	71.76201132229623
1977	70.63382871731878
1997	63.6179502914783
1998	67.31127549492402
1999	66.4341416051901
2000	55.044312221320176
2001	57.93170945437425
2002	59.91440815946035
2003	65.47857452840748
2004	64.1312192513933
2005	61.71708277427017
2006	51.650055511999696
2007	58.27089372474949
2008	56.08826156930578
2009	67.80979924265814
2010	65.62156507036977
2011	58.33693695926881
2013	59.60484023742157
2014	61.89949593601249
2015	63.67402276001152
2016	65.1160742123814
2017	63.11520150681812
2018	58.37760143308459
2019	59.31724365580215