YearTrade ValueWeight (kg)Quantity
2005$3,378,1663,44615,719
2006$3,490,0483,61615,168
2007$3,859,067523,831
2008$3,888,534212,918
2009$1,973,566418,993
2010$1,799,65917,621
2011$1,989,891211,167
Note: Quantity represents Weight in carats