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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $199,994,656 | 17,682,993 | 612,125,238 |
| 2006 | $182,036,590 | 11,355,263 | 678,456,304 |
| 2007 | $194,165,686 | 11,981,474 | 840,373,340 |
| 2008 | $195,911,500 | 11,206,809 | 808,168,345 |
| 2009 | $167,157,862 | 7,329,083 | 775,777,107 |
| 2010 | $199,678,207 | 9,919,930 | 919,638,029 |
| 2011 | $209,621,527 | 10,229,137 | 916,106,152 |
Note: Quantity represents Number of items
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