|
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,476,943,555 | 1,451,552,607 | 1,451,552,607 |
| 2006 | $1,534,717,091 | 1,378,023,768 | 1,378,023,768 |
| 2007 | $2,123,878,309 | 1,628,083,008 | 1,628,083,008 |
| 2008 | $1,501,068,709 | 1,132,468,144 | 1,132,468,144 |
| 2009 | $1,427,894,926 | 1,593,313,287 | 1,593,313,287 |
| 2010 | $1,625,377,701 | 1,399,028,572 | 1,399,028,572 |
| 2011 | $1,756,520,076 | 1,275,641,418 | 1,275,641,418 |
Note: Quantity represents Weight in kilograms
|
|