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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $348,982,521 | 104,470,881 | 104,470,881 |
| 2006 | $227,024,994 | 63,515,440 | 63,515,440 |
| 2007 | $255,002,130 | 66,620,207 | 66,620,207 |
| 2008 | $351,978,499 | 83,815,366 | 83,815,366 |
| 2009 | $463,893,951 | 96,281,556 | 96,281,556 |
| 2010 | $528,956,357 | 109,831,800 | 109,831,800 |
| 2011 | $640,102,674 | 128,050,458 | 128,050,458 |
Note: Quantity represents Weight in kilograms
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