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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,668,975 | 140,053,410 | 8,532,013 |
| 2006 | $20,481,258 | 139,173,700 | 8,326,712 |
| 2007 | $19,496,021 | 135,041,252 | 7,865,001 |
| 2008 | $20,311,818 | 105,372,627 | 6,351,034 |
| 2009 | $6,469,939 | 36,073,467 | 2,552,637 |
| 2010 | $4,824,359 | 30,618,089 | 2,251,791 |
| 2011 | $6,546,394 | 35,142,910 | 2,598,438 |
Note: Quantity represents Area in square metres
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