Year	% of total merchandise imports
1973	4.530731630710037
1974	3.0601334334820836
1975	3.6887709105479316
1976	2.7348937832396865
1977	3.8287756186876147
1978	1.9384604846640476
1979	1.7279608532762443
1980	0.7563601709632326
1981	0.7194453941673274
1982	0.8029594950928716
1983	0.9108372880747342
1984	0.8264322081519363
1985	0.8264322082162432
1986	1.5898471315227722
1987	1.5421654068950064
1988	2.3226936169589427
1989	1.5429046458824975
1990	1.3346310484816248
1991	1.7510313477046509
1992	1.755005337937227
1993	2.4243358792524923
1994	4.279033607567001
1995	4.226445756681922
1996	3.465669117308482
1997	2.6793632665613845
1998	5.366940038006738
1999	3.571343000906993
2000	4.912527956488293
2001	5.832000026503516
2002	6.0212054678943145
2003	5.780961924132938
2004	5.437090467385978
2005	6.19491058016548
2006	5.433025475618547
2007	6.087742281994924
2008	8.193410445616657
2009	9.099927803690768
2010	9.357206355407126
2011	11.220741995698559
2012	12.798664576802556
2013	9.576833737458564
2014	11.024359792624951
2015	13.518518146823391
2016	13.522091037907122
2017	17.121150963947425
2018	17.518449766399023
2019	16.069689279895215
2020	4.094320408084872