Year	% of total merchandise imports
1960	1.7117740506604533
1961	1.791737406155706
1962	1.9242180431650637
1963	2.136270684615288
1964	2.10585469542691
1965	2.2543367969589503
1966	2.326947917600448
1967	2.815216736745988
1968	3.1668119015091514
1969	2.9100247156030585
1970	3.00910713519366
1971	4.183392298563814
1972	4.2569636186100235
1973	5.327683234730075
1974	10.560452552173125
1975	9.484584638169066
1976	10.808548849307002
1977	10.472397846105983
1978	8.183845928995535
1979	9.488990809228508
1980	11.004157313683717
1981	10.394115010571134
1982	11.131818872384681
1983	10.056989342657047
1984	7.9328986290087835
1985	6.0505751230972775
1986	4.579634127178329
1987	5.273184206073708
1988	4.723038508010277
1989	4.771620893148192
1990	4.786131317551543
1991	3.1621862500168976
1992	2.703018605796745
1993	2.3683614738530694
1994	1.9331733285713089
1995	2.060529488306281
1996	2.3418198827933163
1997	2.3919705333583905
1998	2.164655181296377
1999	2.3275206861089726
2000	3.358665226432469
2001	3.1565392575805347
2002	2.88490797492843
2003	3.2055630801677517
2004	3.7027479388862345
2005	4.009525440550029
2006	4.295756228078638
2007	3.931629203817876
2008	5.383260503311878
2009	4.734566203694342
2010	4.8561979026669135
2011	5.134269502082203
2012	5.586301377976372
2013	5.569836557181183
2014	5.481298303786014
2015	4.240229737335195
2016	3.688353868305859
2017	4.134454646363954
2018	5.073117069392789
2019	5.243084872413045
2020	4.662798283044