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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,956,441,392 | 0 | 449,770,555 |
| 2006 | $2,993,715,643 | 0 | 395,173,781 |
| 2007 | $3,110,210,649 | 0 | 357,837,618 |
| 2008 | $3,440,106,033 | 0 | 326,092,302 |
| 2009 | $2,757,997,200 | 0 | 267,913,973 |
| 2010 | $3,520,042,099 | 0 | 321,937,794 |
| 2011 | $4,028,917,812 | 0 | 316,576,408 |
Note: Quantity represents Number of items
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