Year	% of total merchandise imports
1966	0.3589672787518984
1967	0.1737619461337967
1968	0.1687435098650052
1969	0.40451042341401505
1970	0.20257039321164103
1971	0.06813996316758747
1972	0.38233076241252034
1973	0.44712731437297193
1974	0.484010188573335
1975	0.7817941584948352
1976	0.29240564069974617
1977	0.2520334319501108
1978	0.35997104580718503
1979	0.20232645818158848
1980	0.2548418650146723
1981	0.4771102583697016
1982	0.5316624601175001
1983	0.7528674825856366
1984	0.7879463183940594
1985	1.2534153333349543
1986	1.5255624284744225
1987	1.8151352155148908
1988	1.5745983953495788
1989	1.4518012039520023
1990	2.6150491577693917
1991	1.819878465181202
1992	4.368999199242995
1993	4.894350833994898
1994	2.480246361007198
1995	2.0059605029753578
1996	2.4090658551212565
1997	2.464330650856593
1998	2.7215070760273177
1999	2.958819960772915
2000	3.974416331561237
2001	4.577581554117468
2002	5.146691042783484
2003	5.746136557387167
2004	6.441425279816874
2005	7.769459993576429
2006	8.977920245894563
2007	10.495097541399621
2008	11.18082931336149
2009	12.038694952635513
2010	13.873415478153014
2011	12.87870008655897
2012	13.887262917649327
2013	14.521841382019051
2014	15.093111454589451
2015	16.028187898066967
2016	17.055998208822015
2017	16.846829525595247
2018	16.810696563209316
2019	17.360561552946738
2020	18.400296051646496