Beginning 2004:Q1, level from FR Board, CM, based on data available by subscription from Mergent on long-term corporate-backed municipal bonds outstanding. Unadjusted transactions are the change in the level; seasonally adjusted transactions are obtained using X-13-ARIMA procedure. Prior to 2004:Q1, unadjusted transactions based on proprietary Thomson Reuters' database, corporate-backed tax-exempt bonds.
Last edited on: 11/21/2011