YearTrade ValueWeight (kg)Quantity
2005$8,089,841,684024,190,974
2006$9,097,240,879030,347,322
2007$11,323,439,9604,52234,329,748
2008$14,299,430,2327,3320
2009$9,704,626,195024,223,321
2010$13,761,994,512022,659,408
2011$17,779,423,074014,965,027
Note: Quantity represents Weight in carats