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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $160,140,207 | 2,859,176,502 | 2,859,176,502 |
| 2006 | $167,182,349 | 2,820,890,490 | 2,820,890,490 |
| 2007 | $204,740,091 | 2,857,655,052 | 2,857,655,052 |
| 2008 | $186,392,809 | 2,100,489,116 | 2,100,489,116 |
| 2009 | $93,252,276 | 1,495,584,587 | 1,495,584,587 |
| 2010 | $49,816,836 | 797,702,538 | 797,702,538 |
| 2011 | $51,249,985 | 844,107,730 | 844,107,730 |
Note: Quantity represents Weight in kilograms
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