Chain-Type Quantity Index for Real GDP: Broadcasting (Except Internet) and Telecommunications (NAICS 515, 517) in Illinois was 125.83100 Index 2009=100 in January of 2020, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Broadcasting (Except Internet) and Telecommunications (NAICS 515, 517) in Illinois reached a record high of 129.36400 in January of 2019 and a record low of 59.68500 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Chain-Type Quantity Index for Real GDP: Broadcasting (Except Internet) and Telecommunications (NAICS 515, 517) in Illinois - last updated from the United States Federal Reserve on March of 2024.