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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,355,850 | 454,173,248 | 454,173,248 |
| 2006 | $11,810,058 | 221,371,660 | 221,371,660 |
| 2007 | $8,917,883 | 77,046,700 | 77,046,700 |
| 2008 | $4,839,994 | 48,763,410 | 48,763,410 |
| 2009 | $1,947,974 | 27,574,920 | 27,574,920 |
| 2010 | $21,025,519 | 204,179,540 | 204,179,540 |
| 2011 | $76,973,766 | 529,528,042 | 529,528,042 |
Note: Quantity represents Weight in kilograms
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