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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $800 | 947 | 947 |
| 2006 | $6,200 | 27,500 | 27,500 |
| 2007 | $349,200 | 1,293,150 | 1,293,150 |
| 2008 | $483,800 | 1,426,707 | 1,426,707 |
| 2009 | $3,254,000 | 11,676,423 | 11,676,423 |
| 2010 | $16,624,200 | 80,044,592 | 80,044,592 |
| 2011 | $4,074,400 | 15,502,045 | 15,502,045 |
Note: Quantity represents Weight in kilograms
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