Level from the MSPD, Table 1 -- Summary of Treasury Securities Outstanding, Marketable, Bills, column Amount Outstanding, sub-column Debt Held By the Public. Prior to 1967:Q2, this series includes both bills and certificates of indebtedness. Unadjusted transactions are the change in the level; seasonally adjusted transactions are obtained using an X-13-ARIMA procedure.
Last edited on: 08/31/2017