Year	% of merchandise exports
1993	23.12056956323175
1994	23.26544486607244
1998	15.092048744231304
1999	13.332265689712672
2005	10.642698064843794
2006	12.868965970005956
2007	10.239136860412922
2008	48.315631685151104
2009	6.094731916766367
2010	7.1702791401263815
2011	8.452918706257458
2012	6.936412549587861