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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,525,106,000 | 46,613,201 | 46,613,201 |
| 2006 | $1,876,541,000 | 63,910,243 | 63,910,243 |
| 2007 | $2,077,936,000 | 64,607,381 | 64,607,381 |
| 2008 | $1,997,093,000 | 58,965,540 | 58,965,540 |
| 2009 | $1,226,629,000 | 43,070,221 | 43,070,221 |
| 2010 | $1,482,720,334 | 52,244,420 | 52,244,420 |
| 2011 | $1,764,130,321 | 53,224,963 | 53,224,963 |
Note: Quantity represents Weight in kilograms
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