Year	% of total merchandise imports
1960	2.875408793579725
1961	2.453591617756773
1962	3.360378670987031
1963	3.850836760066069
1964	4.334952876740471
1965	4.855380627423389
1966	4.438303774991381
1967	4.166774663154713
1968	4.217440565344423
1969	4.6554910581037365
1970	4.409005246154189
1971	4.254243302730422
1972	4.553733098049445
1973	4.71978527693245
1974	4.725940290705774
1975	4.316972331576185
1976	4.437306480388954
1977	4.86131869056081
1978	4.611360030252084
1979	5.319948905224716
1980	4.811179179799127
1981	4.901162576956671
1982	5.138165353079095
1983	5.018429499434806
1984	5.353013246665995
1985	5.192035726544743
1986	4.934072747456194
1987	5.0352346378042485
1988	5.022362906402794
1989	5.131415903035398
1990	4.52058223650539
1991	4.517847703876495
1992	4.566567383854628
1993	4.516686758010953
1994	4.717445622652827
1995	4.810964427742964
1996	5.108332567119578
1997	5.430384682884915
1998	5.477315740260503
1999	4.691819552245266
2000	4.6770377310518345
2001	5.057723418744025
2002	4.422032577598233
2003	4.66090640932504
2004	4.791373463140502
2005	5.101913182298851
2006	5.159433826126016
2007	5.35797358783938
2008	5.501869392959998
2009	5.565108245074507
2010	5.435150219599031
2011	5.539177956747472
2012	5.541036651679654
2013	5.369527721883486
2014	5.32081745771559
2015	5.194299656575574
2016	5.112818547495435
2017	5.189483801210523
2018	5.200194704009499
2019	5.233675320357618
2020	5.332604159003703