Year	% of merchandise imports
1973	49.6418785752055
1974	44.3448506723674
1975	47.401600003737784
1976	46.88626057834135
1977	44.08381932331767
1978	52.55033962932462
1979	42.37737169462356
1980	44.89439938770016
1983	48.69731690309802
1984	50.8232435789386
1985	50.39634888909933
1986	54.380663003644294
1987	49.003634442279676
1989	49.59531681252795
1990	54.47337626167902
1991	49.649685366956
1992	63.898900563899716
1993	53.63495104256769
1994	47.015299001425326
1995	48.092339554971836
1996	45.559253505633194
1997	51.88890129392517
1998	43.48457344812678
1999	49.38273849979101
2004	14.894258536105035
2005	40.59061143279319
2006	34.807141674521446
2007	33.156360273072835
2008	29.861158361787293
2009	39.68843128764421
2010	32.01994455398232
2011	29.181839145598936
2012	46.96029672786988
2013	41.311234452874814
2014	47.299575337787466
2015	53.30733485298291
2016	48.049616559993446
2017	44.94973882951986
2018	41.88080614347246
2020	39.19142069594282
2021	43.01326742054926