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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $157,844,573 | 614,175,800 | 614,175,800 |
| 2006 | $177,985,948 | 646,713,400 | 646,713,400 |
| 2007 | $242,548,523 | 614,213,800 | 614,213,800 |
| 2008 | $359,897,385 | 678,550,800 | 678,550,800 |
| 2009 | $259,417,548 | 653,807,200 | 653,807,200 |
| 2010 | $232,048,685 | 607,071,600 | 607,071,600 |
| 2011 | $296,939,267 | 579,500,730 | 579,500,730 |
Note: Quantity represents Weight in kilograms
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