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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $106,954,423 | 3,077,098,362 | 3,077,098,362 |
| 2006 | $137,721,194 | 3,592,462,244 | 3,592,462,244 |
| 2007 | $135,089,729 | 3,110,324,444 | 3,110,324,444 |
| 2008 | $201,104,636 | 3,844,533,364 | 3,844,533,364 |
| 2009 | $122,163,248 | 1,769,716,979 | 1,769,716,979 |
| 2010 | $174,552,001 | 2,571,982,390 | 2,571,982,390 |
| 2011 | $241,918,958 | 2,893,941,562 | 2,893,941,562 |
Note: Quantity represents Weight in kilograms
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