YearTrade ValueWeight (kg)Quantity
2005$11,840,8565922,960,000
2006$13,687,43900
2007$14,075,2062,60113,005,000
2008$13,789,5502,06610,330,000
2009$9,028,7393221,610,000
2010$8,208,4782781,390,000
2011$9,403,5432741,370,000
Note: Quantity represents Weight in carats