YearTrade ValueWeight (kg)Quantity
2005$15,592,3720551,573
2006$20,492,7210555,478
2007$25,118,7720767,163
2008$17,060,98000
2009$16,114,0120350,207
2010$9,291,7810239,188
2011$8,325,1930211,794
Note: Quantity represents Weight in carats