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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,943,961 | 259,849,500 | 259,849,500 |
| 2006 | $17,912,465 | 304,418,628 | 304,418,628 |
| 2007 | $21,057,078 | 338,361,998 | 338,361,998 |
| 2008 | $23,671,779 | 354,025,388 | 354,025,388 |
| 2009 | $43,349,075 | 786,693,759 | 786,693,759 |
| 2010 | $66,068,971 | 999,319,026 | 999,319,026 |
| 2011 | $51,755,097 | 649,383,018 | 649,383,018 |
Note: Quantity represents Weight in kilograms
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