Year	% of total merchandise exports
1992	0.4372165692457743
1993	0.4117524027532407
1994	0.08436721055731868
1995	0.09355499211427715
1996	0.030701591991962637
1997	0.18274928912456978
1998	0.7076218309158558
1999	0.17171346197096332
2000	0.1855218083680087
2001	0.7634730778077972
2002	0.3876578771150935
2003	0.45553644849083846
2004	0.30102161132376604
2005	0.3551773332100948
2006	0.18283205705702926
2007	0.3363333564512226
2008	1.622295187642884
2009	0.3267976997357761
2010	0.16319023219535753
2011	0.1685582002785799
2012	0.3587130329345286
2013	0.23134406996180995
2014	0.4148408608387288
2015	0.42514188226350114
2016	0.39758464168769164
2017	0.5229210724285296
2018	0.4512016131133126
2019	0.44696023094821313
2020	0.44493798673980983