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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $362,749,865 | 6,155,076 | 6,155,076 |
| 2006 | $451,383,583 | 7,680,968 | 7,680,968 |
| 2007 | $483,435,537 | 8,576,817 | 8,576,817 |
| 2008 | $595,754,733 | 9,817,979 | 9,817,979 |
| 2009 | $441,594,058 | 7,184,458 | 7,184,458 |
| 2010 | $546,376,689 | 8,445,473 | 8,445,473 |
| 2011 | $668,006,711 | 9,556,405 | 9,556,405 |
Note: Quantity represents Weight in kilograms
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