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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,579,000 | 167,785,000 | 167,785,000 |
| 2006 | $11,816,000 | 258,106,000 | 258,106,000 |
| 2007 | $26,856,000 | 403,688,900 | 403,688,900 |
| 2008 | $21,277,000 | 326,084,000 | 326,084,000 |
| 2009 | $22,887,000 | 374,799,700 | 374,799,700 |
| 2010 | $27,331,873 | 381,747,200 | 381,747,200 |
| 2011 | $30,896,728 | 450,841,665 | 450,841,665 |
Note: Quantity represents Weight in kilograms
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