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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $341,217,281 | 89,603,111 | 89,603,111 |
| 2006 | $369,948,576 | 59,946,225 | 59,946,225 |
| 2007 | $428,631,006 | 39,938,408 | 39,938,408 |
| 2008 | $506,440,900 | 44,453,499 | 44,453,499 |
| 2009 | $569,969,932 | 43,880,859 | 43,880,859 |
| 2010 | $440,634,811 | 46,280,780 | 46,280,780 |
| 2011 | $400,969,954 | 50,807,167 | 50,807,167 |
Note: Quantity represents Weight in kilograms
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