Year	% of total merchandise exports
2000	4.37536536711485
2001	4.993259787064294
2002	4.982232781444683
2003	21.954809168041198
2004	0.40021665236981907
2005	25.44982325182617
2006	6.131403527117265
2007	8.286053884013166
2008	21.495927752230042
2009	27.79068261773784
2010	10.167218836433896
2011	15.078035599234548
2012	16.084394915465115
2013	46.10446755853438
2014	85.16861451885028
2015	59.063941637975915
2016	85.168519225029
2017	88.95477050863113
2018	90.54583531611462
2019	94.95112873817074
2020	99.05867246741018