Year	% of total merchandise exports
2000	19.49158411675208
2001	5.420526009628976
2002	12.652839660960923
2003	26.498875309467063
2004	15.287673620477396
2005	51.537119612916094
2006	6.159782775213587
2007	15.364014113014438
2008	18.985085286675314
2009	27.8353853531926
2010	26.400197296858934
2011	21.90159601534232
2012	21.436741085270064
2013	22.96524096717371
2014	17.47289829508521
2015	13.31547097988402
2016	11.15545561866917
2017	6.3786037634079795
2018	6.269737259026099
2019	8.215545861077118
2020	9.226296038685554