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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $348,414 | 3,385,694 | 9,644,442 |
| 2006 | $298,924 | 0 | 0 |
| 2007 | $357,102 | 650 | 3,250,000 |
| 2008 | $387,516 | 650 | 3,250,000 |
| 2009 | $627,990 | 885 | 4,425,000 |
| 2010 | $300,611 | 282 | 1,410,000 |
| 2011 | $614,933 | 333 | 1,665,000 |
Note: Quantity represents Weight in carats
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