Year	% of merchandise imports
1963	0.49137701792850785
1964	0.5028784719166897
1965	0.6713520538136086
1966	0.6403743987746664
1967	0.6864767906019248
1968	0.5402655523994172
1969	0.8455178388094213
1970	0.6718116786935368
1971	0.8088822084173761
1972	0.917880293104466
1973	0.8108915865202524
1974	0.6327408014033712
1975	0.5223258449599878
1976	0.5088405068361307
1977	0.7242197822792209
1978	0.8165770388415227
1979	0.739555120029558
1980	0.559132949707737
1981	0.758083205293961
1982	0.4863637985783541
1984	0.6776662181317799
1985	0.4544708635524648
1995	0.46519163191380786
1996	0.43804010143538663
1997	0.5457006892113317
1998	1.1620498946141415
1999	0.6434608471242399
2000	0.8034512229704494
2001	0.7871800385681891
2002	0.8550734350312036
2003	0.7845830091969784
2004	0.7697813174578279
2005	0.915155111634107
2006	1.0632099643255157
2007	0.8479987498696995
2008	0.7686971378971003
2009	0.899536768943798
2010	0.6487888118424604
2011	4.114549143336619
2012	3.38615011604687
2013	0.8418887711372702
2014	0.7298232556596025
2015	0.80697507014403
2016	0.7018043440994479
2017	0.7548618385376747
2018	0.6979356225225962