United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Materials Excluding Energy, Motor Vehicles & Parts, Computers, Communications Equipment, and Semiconductors was 24.72% in March of 2024, according to the United States Federal Reserve. Historically, United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Materials Excluding Energy, Motor Vehicles & Parts, Computers, Communications Equipment, and Semiconductors reached a record high of 33.74 in June of 1974 and a record low of 22.07 in December of 2008. 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): Materials Excluding Energy, Motor Vehicles & Parts, Computers, Communications Equipment, and Semiconductors - last updated from the United States Federal Reserve on April of 2024.