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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $248,885,360 | 53,187,439 | 53,187,439 |
| 2006 | $316,752,485 | 61,012,463 | 61,012,463 |
| 2007 | $375,061,594 | 68,696,956 | 68,696,956 |
| 2008 | $484,695,998 | 69,216,651 | 69,216,651 |
| 2009 | $484,338,244 | 87,305,561 | 87,305,561 |
| 2010 | $556,125,461 | 92,415,020 | 92,415,020 |
| 2011 | $782,977,904 | 96,151,270 | 96,151,270 |
Note: Quantity represents Weight in kilograms
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