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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,854,960 | 153,725,727 | 153,725,727 |
| 2006 | $16,265,053 | 211,089,402 | 211,089,402 |
| 2007 | $43,687,087 | 612,279,351 | 612,279,351 |
| 2008 | $66,394,837 | 928,844,171 | 928,844,171 |
| 2009 | $72,757,948 | 1,079,496,552 | 1,079,496,552 |
| 2010 | $77,287,004 | 991,698,398 | 991,698,398 |
| 2011 | $77,392,383 | 993,325,118 | 993,325,118 |
Note: Quantity represents Weight in kilograms
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