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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $179,744,532 | 233,294,376 | 233,294,376 |
| 2006 | $209,302,313 | 227,048,375 | 227,048,375 |
| 2007 | $258,890,088 | 232,187,521 | 232,187,521 |
| 2008 | $356,026,111 | 263,864,904 | 263,864,904 |
| 2009 | $294,465,917 | 232,065,894 | 232,065,894 |
| 2010 | $342,215,800 | 296,405,059 | 296,405,059 |
| 2011 | $356,027,563 | 269,019,411 | 269,019,411 |
Note: Quantity represents Weight in kilograms
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