Year	% of total merchandise imports
1964	0.6134969325153374
1966	0.43478260869565216
1967	0.18336254550357287
1985	0.0268299025455386
1986	0.3369982743247321
1987	0.7415961600402221
1988	0.5302928917670995
1989	1.3757541093593528
1990	1.0156852463397517
1991	1.3314564835979064
1992	0.3459650007402772
1993	2.6892715162228362
1994	0.42313583175056624
1995	0.5416405962857553
1996	0.8107655062075713
1997	0.4671107317311105
1998	1.1935070585993037
1999	1.5059360038874494
2000	0.5382696470810877
2001	0.27219037783946315
2002	1.2738814138402375
2003	1.4533597757418135
2004	2.4942216305702862
2005	3.098432285614278
2006	6.00264866843755
2007	6.602003912441861
2008	4.616028801290189
2009	5.2836773170021845
2010	2.8580888138999123
2011	2.0607546583630616
2012	3.056317864045235
2013	2.9086052132275486
2014	1.2147494887695864
2015	1.1938913265952504
2016	1.6506628216683108
2017	1.4904382453855505
2018	2.0940928950816664
2019	1.4499105742720608
2020	1.0079468699739322