Contributions to the Chicago Fed Midwest Economy Index: Illinois Contribution: Manufacturing Sector was 0.17271 Index Standard Deviation in May of 2021, according to the United States Federal Reserve. Historically, Contributions to the Chicago Fed Midwest Economy Index: Illinois Contribution: Manufacturing Sector reached a record high of 0.24155 in January of 1984 and a record low of -0.43293 in July of 1980. Trading Economics provides the current actual value, an historical data chart and related indicators for Contributions to the Chicago Fed Midwest Economy Index: Illinois Contribution: Manufacturing Sector - last updated from the United States Federal Reserve on April of 2024.