United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Mining, Quarrying, and Oil and Gas Extraction: Copper, Nickel, Lead, and Zinc Mining (NAICS = 21223) was 0.28% in March of 2024, according to the United States Federal Reserve. Historically, United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Mining, Quarrying, and Oil and Gas Extraction: Copper, Nickel, Lead, and Zinc Mining (NAICS = 21223) reached a record high of 0.43 in June of 1974 and a record low of 0.06 in April of 2003. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Mining, Quarrying, and Oil and Gas Extraction: Copper, Nickel, Lead, and Zinc Mining (NAICS = 21223) - last updated from the United States Federal Reserve on April of 2024.