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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $157,925 | 1,400,044 | 1,400,044 |
| 2006 | $57,721 | 540,793 | 540,793 |
| 2007 | $30,140 | 274,807 | 274,807 |
| 2008 | $19,760 | 174,776 | 174,776 |
| 2009 | $108,525 | 839,796 | 839,796 |
| 2010 | $49,947 | 411,654 | 411,654 |
Note: Quantity represents Weight in kilograms
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