| Copper | Aluminum | Zinc | Lead | Gold | Day Glue | Fuel Oil | Rebar | Wire |
2002 | 23.27% | 8.09% | - | - | - | 10.17% | - | - | - |
2003 | 19.95% | 2.96% | - | - | - | 32.94% | - | - | - |
2004 | 38.65% | 7.98% | - | - | - | 9.92% | 0.14% | - | - |
2005 | 30.10% | 2.76% | - | - | - | 11.60% | 4.18% | - | - |
2006 | 15.89% | 13.55% | - | - | - | 26.53% | 4.07% | - | - |
2007 | 24.76% | 2.29% | 6.04% | - | - | 21.29% | 2.07% | - | - |
2008 | 13.85% | 3.07% | 5.43% | - | 2.08% | 12.90% | 2.81% | - | - |
2009 | 25.42% | 2.14% | 3.59% | - | 1.17% | 11.47% | 2.46% | 10.19% | 0.06% |
2010 | 9.59% | 0.92% | 8.27% | - | 0.59% | 13.80% | 0.32% | 6.45% | 0.00% |
2011 | 10.88% | 0.62% | 3.36% | 0.09% | 1.85% | 12.02% | 0.07% | 2.70% | 0.00% |