Index 2017=100,
Quarterly,
Seasonally Adjusted
Q1 1947 to
Q4 2023 (Mar 28)
BEA Account Code: A001RD
The number of decimal places reported varies over time. A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)