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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $143,418,009 | 2,931,294,797 | 2,931,294,797 |
| 2006 | $143,818,524 | 2,569,067,937 | 2,569,067,937 |
| 2007 | $200,637,791 | 2,694,496,247 | 2,694,496,247 |
| 2008 | $424,863,490 | 3,503,901,255 | 3,503,901,255 |
| 2009 | $216,954,774 | 3,308,155,289 | 3,308,155,289 |
| 2010 | $527,779,378 | 5,787,822,822 | 5,787,822,822 |
| 2011 | $721,176,950 | 6,606,245,773 | 6,606,245,773 |
Note: Quantity represents Weight in kilograms
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