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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $165,032,000 | 2,665,901 | 23,811,588 |
| 2006 | $225,896,000 | 3,303,903 | 32,593,330 |
| 2007 | $322,737,000 | 4,392,834 | 33,379,126 |
| 2008 | $401,393,000 | 5,534,787 | 29,038,829 |
| 2009 | $372,270,000 | 5,698,794 | 28,226,121 |
| 2010 | $400,523,374 | 6,800,445 | 32,587,877 |
| 2011 | $449,369,922 | 6,372,197 | 36,233,715 |
Note: Quantity represents Number of items
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