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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,217,687 | 15,986,800 | 15,986,800 |
| 2006 | $9,411,908 | 9,004,557,516 | 9,004,557,516 |
| 2007 | $12,623,054 | 16,750,719 | 16,750,719 |
| 2008 | $18,493,803 | 21,735,370 | 21,735,370 |
| 2009 | $16,051,073 | 34,164,534 | 34,164,534 |
| 2010 | $15,528,717 | 25,467,890 | 25,467,890 |
| 2011 | $21,858,383 | 29,563,770 | 29,563,770 |
Note: Quantity represents Weight in kilograms
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