YearTrade ValueWeight (kg)Quantity
2005$42,003,6821470,584
2006$27,415,424943,991
2007$19,796,173732,461
2008$13,160,950316,131
2009$7,288,19314,267
2010$3,038,47603,413
2011$6,509,08629,778
Note: Quantity represents Weight in carats