YearTrade ValueWeight (kg)Quantity
2005$1,723,9387633,816,540
2006$1,704,8609284,641,090
2007$1,841,5101,6958,473,445
2008$1,595,4731,1785,891,661
2009$1,245,8471,1035,514,973
2010$1,406,3731,99310,117,653
2011$1,597,3823,28016,401,864
Note: Quantity represents Weight in carats