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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $53,048,947 | 221,960,554 | 221,960,554 |
| 2006 | $71,341,151 | 310,592,599 | 310,592,599 |
| 2007 | $77,221,561 | 295,745,750 | 295,745,750 |
| 2008 | $116,000,010 | 316,929,448 | 316,929,448 |
| 2009 | $84,837,841 | 340,391,540 | 340,391,540 |
| 2010 | $91,410,426 | 450,044,072 | 450,044,072 |
| 2011 | $128,964,804 | 374,069,562 | 374,069,562 |
Note: Quantity represents Weight in kilograms
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