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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $35,811,000 | 47,182,900 | 47,182,900 |
| 2006 | $66,119,000 | 84,256,000 | 84,256,000 |
| 2007 | $62,868,000 | 75,557,600 | 75,557,600 |
| 2008 | $185,637,000 | 252,831,162 | 252,831,162 |
| 2009 | $130,437,000 | 195,396,898 | 195,396,898 |
| 2010 | $116,886,000 | 181,642,800 | 181,642,800 |
| 2011 | $155,385,000 | 182,403,200 | 182,403,200 |
Note: Quantity represents Weight in kilograms
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