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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,143,494,890 | 0 | 123,214,326 |
| 2006 | $5,821,562,483 | 0 | 113,798,075 |
| 2007 | $6,529,106,564 | 6,220 | 119,461,922 |
| 2008 | $6,263,771,268 | 6,644 | 91,661,771 |
| 2009 | $6,024,555,645 | 8,530 | 91,682,699 |
| 2010 | $9,144,721,913 | 0 | 116,638,664 |
| 2011 | $13,247,913,341 | 0 | 118,071,588 |
Note: Quantity represents Weight in carats
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