YearTrade ValueWeight (kg)Quantity
2005$37,187,51531157,534
2006$37,547,89431154,882
2007$27,115,62426127,874
2008$15,594,6401261,984
2009$8,545,312316,102
2010$5,607,120025,079
2011$7,575,779526,485
Note: Quantity represents Weight in carats