YearTrade ValueWeight (kg)Quantity
2005$739,232158,749280,650
2006$1,088,595259,434241,137
2007$2,252,461405,459296,936
2008$2,436,321445,595298,884
2009$2,188,094375,8451,058,689
2010$4,352,582517,4811,311,245
2011$6,090,263756,6752,292,549
Note: Quantity represents Number of pairs