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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,470,125,256 | 2,194,533 | 35,178,877 |
| 2006 | $1,561,836,531 | 2,726,472 | 0 |
| 2007 | $1,629,921,060 | 2,824,501 | 0 |
| 2008 | $1,804,235,580 | 2,784,245 | 0 |
| 2009 | $2,072,369,770 | 3,426,823 | 0 |
| 2010 | $1,652,788,914 | 3,515,441 | 0 |
| 2011 | $1,476,221,194 | 3,105,081 | 0 |
Note: Quantity represents Number of items
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