Year	% of total merchandise exports
2000	0.2617600329988333
2001	4.701109896788307E-05
2003	0.22025826894058886
2004	0.16098663127596644
2005	0.21090029457749193
2006	0.9945979323791089
2007	1.2428879571133173
2008	0.8926050134554877
2009	7.560445122297607
2010	20.696630950448675
2011	21.50648875576712
2012	11.185892127988591
2013	7.022139661473657
2014	12.898335987812956
2015	12.076070112710537
2016	11.036786275046163
2017	6.982238964708527
2018	8.013969763042907
2019	8.78116065573798
2020	8.982605908512099