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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $232,619,522 | 1,690,804,784 | 1,690,804,784 |
| 2006 | $289,809,083 | 1,967,260,387 | 1,967,260,387 |
| 2007 | $392,916,643 | 2,425,827,297 | 2,425,827,297 |
| 2008 | $420,447,948 | 2,961,861,688 | 2,961,861,688 |
| 2009 | $320,067,245 | 2,479,976,401 | 2,479,976,401 |
| 2010 | $339,798,858 | 1,960,841,697 | 1,960,841,697 |
| 2011 | $454,274,020 | 2,813,510,955 | 2,813,510,955 |
Note: Quantity represents Weight in kilograms
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