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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $31,260,400 | 215,639,606 | 215,639,606 |
| 2006 | $39,303,600 | 242,255,504 | 242,255,504 |
| 2007 | $46,916,100 | 250,425,195 | 250,425,195 |
| 2008 | $56,710,400 | 190,098,595 | 190,098,595 |
| 2009 | $7,880,400 | 35,380,796 | 35,380,796 |
| 2010 | $1,655,400 | 5,598,010 | 5,598,010 |
| 2011 | $4,445,900 | 16,941,400 | 16,941,400 |
Note: Quantity represents Weight in kilograms
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