United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Coating, Engraving, Heat Treating, and Allied Activities (NAICS = 3328) was 0.44% 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: Coating, Engraving, Heat Treating, and Allied Activities (NAICS = 3328) reached a record high of 0.53 in March of 2008 and a record low of 0.30 in February of 1983. 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: Coating, Engraving, Heat Treating, and Allied Activities (NAICS = 3328) - last updated from the United States Federal Reserve on April of 2024.