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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $176,548,854 | 58,080,631 | 58,080,631 |
| 2006 | $177,248,824 | 60,996,342 | 60,996,342 |
| 2007 | $176,974,089 | 59,758,577 | 59,758,577 |
| 2008 | $161,855,979 | 50,571,616 | 50,571,616 |
| 2009 | $155,204,028 | 45,795,183 | 45,795,183 |
| 2010 | $163,084,624 | 47,881,517 | 47,881,517 |
| 2011 | $189,307,068 | 51,571,751 | 51,571,751 |
Note: Quantity represents Weight in kilograms
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