Contributions to the Chicago Fed Midwest Economy Index: Illinois Contribution: Services Sector was 0.04602 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: Services Sector reached a record high of 0.32526 in September of 2020 and a record low of -1.00633 in June of 2020. 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: Services Sector - last updated from the United States Federal Reserve on March of 2024.