Source: U.S. Census Bureau
Release: Business Formation Statistics
The Business Formation Statistics are now released on a monthly basis, and the quarterly series will no longer be updated. See BFSBF4QTOTALSAMI for an alternative.
This series combines (splices) https://fred.stlouisfed.org/series/BF4QSAMI and https://fred.stlouisfed.org/series/PBF4QSAMI to provide the entire time series for the actual and projected business formations within 4 quarters.
U.S. Census Bureau, Spliced Business Formations Within 4 Quarters for Michigan (DISCONTINUED) [SBF4QSAMI], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/SBF4QSAMI, June 23, 2021.