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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $714,395,891 | 0 | 9,881,124 |
| 2006 | $940,413,448 | 0 | 9,726,152 |
| 2007 | $1,247,483,546 | 0 | 11,260,564 |
| 2008 | $1,459,540,440 | 0 | 10,460,791 |
| 2009 | $1,467,344,981 | 0 | 7,890,431 |
| 2010 | $2,638,795,126 | 0 | 11,009,568 |
| 2011 | $4,289,923,952 | 0 | 10,541,351 |
Note: Quantity represents Weight in carats
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