Year	% of merchandise exports
1999	43.03983074948771
2000	20.208615406036724
2001	57.085765678715376
2002	50.75717243878851
2003	28.659995199807735
2004	33.263823177722394
2005	47.16999556400714
2006	38.48546917323043
2007	35.53636355024321
2008	18.77636686191679
2009	21.216016331507717
2011	14.858546815271435
2012	15.942377269412969