Year	% of merchandise exports
1999	2.019234102852114
2000	0.4654972051912451
2001	1.2269151774401013
2002	0.07015509509150084
2003	0.1467787873150404
2004	0.7423780938170383
2005	11.945935793352316
2006	1.0827657680888123
2007	0.43111885320072096
2008	0.8782460707133125
2009	0.8557026352168753
2011	0.32904347801628364
2012	1.0584042855517486