Year	% of total merchandise imports
1992	84.47874575920123
1993	60.25952306665893
1994	42.509650363929765
1995	37.519157453364535
1996	45.84423152432922
1997	50.32000307661006
1998	53.81556814032402
1999	64.02155343042655
2000	39.30854305922444
2001	39.310235814962944
2002	39.310234428362115
2003	39.29137834326122
2004	39.470223260387
2005	39.48114131518384
2006	39.48904541116834
2007	39.489045400572884
2008	39.489045434113656
2009	39.48904542880384
2010	39.48904539924587
2011	39.488454351803995
2012	39.48592580146761
2013	39.48592575890123
2014	39.48592573027672
2015	39.4859257078996
2016	34.03889335671184
2017	31.12945484972119
2018	33.29226283939939
2019	32.712892228798104
2020	29.963114038250648