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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,197,789 | 337,709,930 | 337,709,930 |
| 2006 | $5,586,192 | 346,711,268 | 346,711,268 |
| 2007 | $13,203,811 | 483,118,124 | 483,118,124 |
| 2008 | $21,361,843 | 577,576,663 | 577,576,663 |
| 2009 | $15,610,890 | 520,003,988 | 520,003,988 |
| 2010 | $14,415,643 | 583,455,307 | 583,455,307 |
| 2011 | $19,380,783 | 732,329,311 | 732,329,311 |
Note: Quantity represents Weight in kilograms
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