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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,368,202,875 | 0 | 20,261,942 |
| 2006 | $1,615,153,514 | 0 | 7,547,959 |
| 2007 | $1,914,815,835 | 0 | 7,521,614 |
| 2008 | $5,846,623,528 | 0 | 29,387,691 |
| 2009 | $9,180,207,491 | 0 | 34,093,156 |
| 2010 | $18,713,841,322 | 0 | 45,219,882 |
| 2011 | $19,977,907,690 | 0 | 53,795,357 |
Note: Quantity represents Weight in carats
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