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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,357,092,444 | 26,845 | 427,170 |
| 2006 | $1,364,307,095 | 0 | 390,382 |
| 2007 | $1,119,200,977 | 279,816 | 417,067 |
| 2008 | $1,282,919,205 | 328,778 | 433,481 |
| 2009 | $1,429,149,970 | 320,493 | 563,193 |
| 2010 | $1,540,402,503 | 370,506 | 721,926 |
| 2011 | $1,067,383,441 | 300,028 | 330,051 |
Note: Quantity represents Number of items
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