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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $439,905,208 | 8,552,947 | 8,552,947 |
| 2006 | $460,740,475 | 9,354,464 | 9,354,464 |
| 2007 | $515,180,104 | 8,668,650 | 8,668,650 |
| 2008 | $602,053,358 | 11,190,426 | 11,190,426 |
| 2009 | $364,812,908 | 6,932,155 | 6,932,155 |
| 2010 | $493,956,179 | 8,307,942 | 8,307,942 |
| 2011 | $660,873,497 | 9,823,851 | 9,823,851 |
Note: Quantity represents Weight in kilograms
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