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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $179,671,813 | 184,695,883 | 184,695,883 |
| 2006 | $205,700,390 | 209,553,781 | 209,553,781 |
| 2007 | $239,357,366 | 239,014,860 | 239,014,860 |
| 2008 | $240,690,855 | 193,730,897 | 193,730,897 |
| 2009 | $117,671,708 | 111,393,036 | 111,393,036 |
| 2010 | $169,917,383 | 152,476,481 | 152,476,481 |
| 2011 | $218,527,027 | 169,760,693 | 169,760,693 |
Note: Quantity represents Weight in kilograms
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