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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $341,545,000 | 207,009,300 | 207,009,300 |
| 2006 | $427,098,000 | 253,030,570 | 253,030,570 |
| 2007 | $381,763,000 | 183,240,500 | 0 |
| 2008 | $467,270,000 | 172,806,800 | 0 |
| 2009 | $356,920,000 | 137,777,918 | 0 |
| 2010 | $389,338,095 | 152,554,019 | 0 |
| 2011 | $531,520,095 | 181,680,620 | 0 |
Note: Quantity represents Weight in kilograms
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