Year	% of total merchandise exports
1992	38.02891654302241
1993	51.31444721627882
1994	45.30195883486356
1995	39.201896894362136
1996	39.26836682158044
1997	31.806839909762534
1998	21.115160475425025
1999	13.466482979682585
2000	11.71966565487917
2001	14.371208879100891
2002	12.814342004474952
2003	12.384273081977144
2004	12.907824953855348
2005	13.842906033680642
2006	19.224997042609434
2007	20.294790388390695
2008	24.026574818715147
2009	25.306168910581622
2010	26.085725956004712
2011	27.98489916670932
2012	30.614289710964655
2013	27.196421135286243
2014	25.32901938303811
2015	22.977548416693722
2016	22.1423037806665
2017	24.523065674877987
2018	23.277588850984802
2019	25.105583386073533
2020	25.063155338870846