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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $307,983,814 | 46,091,561 | 46,091,561 |
| 2006 | $433,359,873 | 49,404,853 | 49,404,853 |
| 2007 | $534,964,468 | 63,348,166 | 63,348,166 |
| 2008 | $575,636,492 | 69,275,938 | 69,275,938 |
| 2009 | $425,202,274 | 38,535,297 | 38,535,297 |
| 2010 | $463,020,159 | 43,010,322 | 43,010,322 |
| 2011 | $411,464,319 | 40,008,888 | 40,008,888 |
Note: Quantity represents Weight in kilograms
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