Year	% of merchandise exports
2002	0.1733870208261086
2003	0.1548359258235401
2004	0.04382756235911549
2005	0.0505220288753419
2006	0.3815814706028384
2007	0.378346893445438
2008	0.3366604767932593
2009	0.1966590292178817
2010	0.3824439984706286
2011	0.45960585419369665
2012	0.3598370641202409
2013	0.2659745376788995