Title: Yields on Municipal Bonds, Twenty Bond Average for United States Series ID: M13050USM156NNBR Source: National Bureau of Economic Research Release: NBER Macrohistory Database (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: Monthly Units: Percent Date Range: 1948-01-01 to 1967-01-01 Last Updated: 2012-08-20 8:18 AM CDT Notes: Data Are For Monthly Averages Of The Weekly Yields Index Given In "The Weekly Bond Buyer For The Capital Market Investor", Published By The Bond Buyer, New York City. Source: U.S. Bureau Of The Census, Business Cycle Developments, July 1964 And Subsequent Issues. This NBER data series m13050 appears on the NBER website in Chapter 13 at http://www.nber.org/databases/macrohistory/contents/chapter13.html. NBER Indicator: m13050 DATE VALUE 1948-01-01 2.36 1948-02-01 2.47 1948-03-01 2.45 1948-04-01 2.37 1948-05-01 2.31 1948-06-01 2.24 1948-07-01 2.27 1948-08-01 2.37 1948-09-01 2.41 1948-10-01 2.42 1948-11-01 2.38 1948-12-01 2.26 1949-01-01 2.16 1949-02-01 2.20 1949-03-01 2.18 1949-04-01 2.14 1949-05-01 2.14 1949-06-01 2.20 1949-07-01 2.16 1949-08-01 2.12 1949-09-01 2.14 1949-10-01 2.16 1949-11-01 2.12 1949-12-01 2.09 1950-01-01 2.06 1950-02-01 2.03 1950-03-01 2.01 1950-04-01 2.03 1950-05-01 2.00 1950-06-01 1.99 1950-07-01 2.01 1950-08-01 1.83 1950-09-01 1.84 1950-10-01 1.79 1950-11-01 1.74 1950-12-01 1.72 1951-01-01 1.61 1951-02-01 1.58 1951-03-01 1.74 1951-04-01 1.94 1951-05-01 2.00 1951-06-01 2.19 1951-07-01 2.15 1951-08-01 2.02 1951-09-01 2.01 1951-10-01 2.06 1951-11-01 2.05 1951-12-01 2.09 1952-01-01 2.09 1952-02-01 2.07 1952-03-01 2.08 1952-04-01 2.04 1952-05-01 2.06 1952-06-01 2.13 1952-07-01 2.15 1952-08-01 2.24 1952-09-01 2.30 1952-10-01 2.38 1952-11-01 2.38 1952-12-01 2.38 1953-01-01 2.43 1953-02-01 2.55 1953-03-01 2.65 1953-04-01 2.65 1953-05-01 2.78 1953-06-01 2.99 1953-07-01 2.98 1953-08-01 2.90 1953-09-01 2.90 1953-10-01 2.75 1953-11-01 2.62 1953-12-01 2.60 1954-01-01 2.50 1954-02-01 2.42 1954-03-01 2.40 1954-04-01 2.47 1954-05-01 2.50 1954-06-01 2.48 1954-07-01 2.32 1954-08-01 2.26 1954-09-01 2.31 1954-10-01 2.34 1954-11-01 2.32 1954-12-01 2.36 1955-01-01 2.40 1955-02-01 2.44 1955-03-01 2.44 1955-04-01 2.41 1955-05-01 2.38 1955-06-01 2.41 1955-07-01 2.54 1955-08-01 2.60 1955-09-01 2.58 1955-10-01 2.51 1955-11-01 2.46 1955-12-01 2.57 1956-01-01 2.50 1956-02-01 2.44 1956-03-01 2.57 1956-04-01 2.70 1956-05-01 2.68 1956-06-01 2.54 1956-07-01 2.65 1956-08-01 2.80 1956-09-01 2.94 1956-10-01 2.95 1956-11-01 3.16 1956-12-01 3.22 1957-01-01 3.18 1957-02-01 3.00 1957-03-01 3.10 1957-04-01 3.13 1957-05-01 3.27 1957-06-01 3.41 1957-07-01 3.40 1957-08-01 3.54 1957-09-01 3.54 1957-10-01 3.42 1957-11-01 3.37 1957-12-01 3.04 1958-01-01 2.91 1958-02-01 3.02 1958-03-01 3.06 1958-04-01 2.96 1958-05-01 2.92 1958-06-01 2.97 1958-07-01 3.09 1958-08-01 3.36 1958-09-01 3.54 1958-10-01 3.45 1958-11-01 3.32 1958-12-01 3.34 1959-01-01 3.42 1959-02-01 3.36 1959-03-01 3.30 1959-04-01 3.39 1959-05-01 3.58 1959-06-01 3.72 1959-07-01 3.71 1959-08-01 3.58 1959-09-01 3.78 1959-10-01 3.62 1959-11-01 3.55 1959-12-01 3.68 1960-01-01 3.72 1960-02-01 3.60 1960-03-01 3.56 1960-04-01 3.56 1960-05-01 3.60 1960-06-01 3.55 1960-07-01 3.50 1960-08-01 3.34 1960-09-01 3.42 1960-10-01 3.53 1960-11-01 3.40 1960-12-01 3.40 1961-01-01 3.40 1961-02-01 3.31 1961-03-01 3.45 1961-04-01 3.50 1961-05-01 3.43 1961-06-01 3.52 1961-07-01 3.52 1961-08-01 3.52 1961-09-01 3.53 1961-10-01 3.42 1961-11-01 3.41 1961-12-01 3.47 1962-01-01 3.34 1962-02-01 3.21 1962-03-01 3.14 1962-04-01 3.06 1962-05-01 3.11 1962-06-01 3.26 1962-07-01 3.28 1962-08-01 3.23 1962-09-01 3.11 1962-10-01 3.02 1962-11-01 3.04 1962-12-01 3.07 1963-01-01 3.10 1963-02-01 3.15 1963-03-01 3.05 1963-04-01 3.10 1963-05-01 3.11 1963-06-01 3.21 1963-07-01 3.22 1963-08-01 3.13 1963-09-01 3.20 1963-10-01 3.20 1963-11-01 3.30 1963-12-01 3.27 1964-01-01 3.22 1964-02-01 3.14 1964-03-01 3.28 1964-04-01 3.28 1964-05-01 3.20 1964-06-01 3.20 1964-07-01 3.18 1964-08-01 3.19 1964-09-01 3.23 1964-10-01 3.25 1964-11-01 3.18 1964-12-01 3.13 1965-01-01 3.06 1965-02-01 3.09 1965-03-01 3.18 1965-04-01 3.15 1965-05-01 3.17 1965-06-01 3.24 1965-07-01 3.27 1965-08-01 3.24 1965-09-01 3.35 1965-10-01 3.40 1965-11-01 3.46 1965-12-01 3.54 1966-01-01 3.52 1966-02-01 3.64 1966-03-01 3.72 1966-04-01 3.56 1966-05-01 3.65 1966-06-01 3.77 1966-07-01 3.95 1966-08-01 4.12 1966-09-01 4.12 1966-10-01 3.94 1966-11-01 3.86 1966-12-01 3.86 1967-01-01 3.54