Year	% of merchandise imports
1971	67.9647652650226
1972	66.01525147759725
1973	61.9772680545406
1974	55.97982827200364
1975	61.49417915003158
1976	56.91233761663474
1977	61.57720597781914
1978	59.416962168817044
1979	54.90819738451806
1980	58.01202704908898
1981	59.821991310507116
1982	61.23596101684324
1983	61.02086147961001
1984	63.88416796796197
1985	61.13758463834007
1995	67.08326769907927
1997	66.40748638910928
2005	71.1674140926734
2006	70.49857917358767
2007	67.1938850138754
2008	62.83427946541815
2009	59.406043528743716
2010	50.601444454188204
2011	53.54581152867206
2012	55.26588038196385
2013	52.56496567190596
2014	50.652367905196016
2015	55.29939066042734
2016	57.042597979404384
2017	54.66921321173797
2018	54.59212331963391
2019	59.30816591813033
2020	52.35405931280837
2021	55.34876656643907
2022	53.17073895243506