Year	% of total merchandise imports
1960	2.0393233503927446
1961	1.6302763199071801
1962	2.3430644931097
1963	2.494638248898565
1964	2.909982252184238
1965	3.5991374017467623
1966	3.4437848656303296
1967	3.294728115707886
1968	3.427058878767931
1969	3.586649993025097
1970	3.773304169068396
1971	3.5278022779430325
1972	4.017396998135775
1973	4.110357799466684
1974	3.9292927618842377
1975	3.787872520474788
1976	3.732348315818944
1977	3.8484777573684306
1978	3.706936633285623
1979	4.258673018796522
1980	4.1439075408734825
1981	4.042293167086355
1982	4.3342969013541355
1983	4.391088803711775
1984	4.688102022925951
1985	4.703709336691457
1986	4.254944518067197
1987	4.212849291678609
1988	4.2019913130179045
1989	4.377497602516482
1990	3.7727506649858404
1991	3.7751315176416584
1992	3.7914335327476754
1993	3.8183982073324594
1994	4.0415019810716615
1995	4.09090631688562
1996	4.376127092294828
1997	4.684775222096848
1998	4.803334831607866
1999	4.121002903759872
2000	3.977239530605529
2001	4.278497736439883
2002	3.846339068424372
2003	4.110321022236234
2004	4.225962234075766
2005	4.455495769560304
2006	4.507996827988152
2007	4.65134452472089
2008	4.7958632955597915
2009	4.905228727880976
2010	4.932716429067723
2011	5.0175399692841856
2012	4.985425714785253
2013	4.883162706316454
2014	4.826232027760167
2015	4.728188258489084
2016	4.793284772792221
2017	4.929638054186055
2018	4.935317395887686
2019	5.00332975833663
2020	5.17086591299145