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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,566,947,948 | 585,337,298 | 45,946 |
| 2006 | $1,580,972,895 | 335,217,124 | 42,172 |
| 2007 | $1,456,634,382 | 286,885,592 | 37,034 |
| 2008 | $1,126,203,584 | 197,545,123 | 37,787 |
| 2009 | $630,971,671 | 104,048,608 | 18,929 |
| 2010 | $970,565,163 | 208,132,504 | 24,587 |
| 2011 | $1,086,070,725 | 248,436,254 | 25,603 |
Note: Quantity represents Number of items
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