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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $689,941,632 | 23,933,361 | 44,901,066 |
| 2006 | $628,028,215 | 21,307,195 | 42,186,320 |
| 2007 | $740,962,650 | 22,898,035 | 52,159,527 |
| 2008 | $678,395,038 | 19,540,210 | 148,808,353 |
| 2009 | $504,323,994 | 14,916,896 | 27,251,528 |
| 2010 | $495,427,344 | 15,410,307 | 29,785,299 |
Note: Quantity represents Number of items
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