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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,660,683 | 416,034,701 | 416,034,701 |
| 2006 | $33,091,356 | 403,947,157 | 403,947,157 |
| 2007 | $31,783,243 | 375,080,572 | 375,080,572 |
| 2008 | $62,695,795 | 326,345,659 | 326,345,659 |
| 2009 | $23,060,185 | 263,391,481 | 263,391,481 |
| 2010 | $59,325,191 | 791,298,507 | 791,298,507 |
| 2011 | $89,200,827 | 800,634,832 | 800,634,832 |
Note: Quantity represents Weight in kilograms
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