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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $201,330,234 | 190,386,533 | 190,386,533 |
| 2006 | $192,710,890 | 191,168,235 | 191,168,235 |
| 2007 | $196,070,618 | 185,391,227 | 185,391,227 |
| 2008 | $206,023,521 | 190,867,710 | 190,867,710 |
| 2009 | $192,089,157 | 181,351,726 | 181,351,726 |
| 2010 | $180,013,279 | 184,009,831 | 184,009,831 |
| 2011 | $168,865,796 | 174,734,903 | 174,734,903 |
Note: Quantity represents Weight in kilograms
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