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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,508,000 | 144,577,100 | 144,577,100 |
| 2006 | $44,459,000 | 196,488,278 | 196,488,278 |
| 2007 | $138,567,000 | 272,004,700 | 272,004,700 |
| 2008 | $148,985,000 | 355,199,600 | 355,199,600 |
| 2009 | $73,325,000 | 269,076,609 | 269,076,609 |
| 2010 | $72,340,607 | 285,035,121 | 285,035,121 |
| 2011 | $77,219,078 | 300,567,333 | 300,567,333 |
Note: Quantity represents Weight in kilograms
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