YearTrade ValueWeight (kg)Quantity
2005$1,821,5502,99214,990,833
2006$2,107,5984,09020,448,330
2007$2,534,6325,50326,918,600
2008$2,249,5304,68623,418,900
2009$1,062,9911,9669,837,400
2010$1,573,8903,57817,935,450
2011$2,294,9545,84829,238,120
Note: Quantity represents Weight in carats