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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $145,785,823 | 29,303,786 | 29,303,786 |
| 2006 | $206,107,492 | 45,020,651 | 45,020,651 |
| 2007 | $280,619,109 | 53,987,657 | 53,987,657 |
| 2008 | $371,113,073 | 63,841,543 | 63,841,543 |
| 2009 | $399,117,096 | 60,541,849 | 60,541,849 |
| 2010 | $419,071,265 | 56,755,284 | 56,755,284 |
| 2011 | $324,334,742 | 40,795,289 | 40,795,289 |
Note: Quantity represents Weight in kilograms
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