United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Nonferrous Metal (Except Aluminum) Smelting and Refining (NAICS = 33141) was 0.18% in March of 2024, according to the United States Federal Reserve. Historically, United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Nonferrous Metal (Except Aluminum) Smelting and Refining (NAICS = 33141) reached a record high of 0.43 in June of 2010 and a record low of 0.05 in September of 1984. 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): Manufacturing: Durable Goods: Nonferrous Metal (Except Aluminum) Smelting and Refining (NAICS = 33141) - last updated from the United States Federal Reserve on April of 2024.