Year	% of total merchandise imports
1960	5.6906828154853555
1961	5.180780006048366
1962	5.42382241789408
1963	5.405339714530488
1964	5.185311479556654
1965	5.0114020404618085
1966	4.85410202693153
1967	4.554111192471528
1968	4.29705759058815
1969	4.2047700767199245
1970	4.127294934633246
1971	3.7238273183997204
1972	3.8186484600747312
1973	3.871547047055494
1974	3.646954796661625
1975	3.4917130969371093
1976	3.3899675599326557
1977	3.8026711656455623
1978	3.6233849149722066
1979	3.7658514092784654
1980	3.7300563554450896
1981	4.002915971401282
1982	4.2390198922208455
1983	4.467553287200826
1984	4.717295926034666
1985	4.628425109628365
1986	3.941205716759462
1987	3.7271428744794313
1988	3.8157904717357227
1989	3.837545289044807
1990	3.570663022289082
1991	3.5685695893224416
1992	3.5470599556909193
1993	3.7449468758647346
1994	3.947164247431234
1995	3.9770544525873044
1996	4.186777754561777
1997	4.458537836636153
1998	4.64243155233038
1999	4.61708513750011
2000	4.792217591433882
2001	4.936489036499144
2002	4.8114341996591
2003	4.5933028321106875
2004	4.530642913399499
2005	4.623323250479426
2006	4.661052853380639
2007	4.637978559233143
2008	4.647345945814786
2009	4.7743381633199835
2010	5.047103040237393
2011	5.184147738783642
2012	5.339102376611696
2013	5.178637391918636
2014	5.124684954260115
2015	5.187501731260987
2016	5.205267459673126
2017	5.199416605123727
2018	5.152542965820406
2019	5.307815085551731
2020	5.2781870141254315