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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,159,308,759 | 94,252,745 | 94,252,745 |
| 2006 | $1,285,079,173 | 74,397,906 | 74,397,906 |
| 2007 | $1,384,842,454 | 81,969,121 | 81,969,121 |
| 2008 | $1,650,263,840 | 99,315,878 | 99,315,878 |
| 2009 | $1,440,011,245 | 69,534,574 | 69,534,574 |
| 2010 | $1,628,686,664 | 90,493,813 | 90,493,813 |
| 2011 | $1,775,277,467 | 90,750,981 | 90,750,981 |
Note: Quantity represents Weight in kilograms
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