Month Percent 1948-07-01 4.21000 1948-08-01 3.15000 1948-09-01 4.98000 1948-10-01 3.84000 1948-11-01 2.73000 1948-12-01 2.99000 1949-01-01 2.98000 1949-02-01 4.52000 1949-03-01 5.15000 1949-04-01 3.43000 1949-05-01 4.58000 1949-06-01 4.14000 1949-07-01 5.39000 1949-08-01 6.11000 1949-09-01 5.93000 1949-10-01 8.58000 1949-11-01 7.84000 1949-12-01 8.43000 1950-01-01 8.69000 1950-02-01 9.17000 1950-03-01 6.83000 1950-04-01 7.13000 1950-05-01 5.15000 1950-06-01 7.43000 1950-07-01 4.99000 1950-08-01 4.51000 1950-09-01 4.10000 1950-10-01 0.850000 1950-11-01 1.11000 1950-12-01 -0.360000 1951-01-01 -2.41000 1951-02-01 -4.08000 1951-03-01 -2.05000 1951-04-01 -2.14000 1951-05-01 0.120000 1951-06-01 -1.98000 1951-07-01 -0.490000 1951-08-01 0.120000 1951-09-01 0.840000 1951-10-01 0.720000 1951-11-01 0.970000 1951-12-01 1.59000 1952-01-01 2.21000 1952-02-01 4.26000 1952-03-01 4.19000 1952-04-01 5.10000 1952-05-01 5.26000 1952-06-01 4.79000 1952-07-01 4.77000 1952-08-01 4.67000 1952-09-01 4.27000 1952-10-01 5.02000 1952-11-01 6.15000 1952-12-01 4.56000 1953-01-01 6.74000 1953-02-01 3.48000 1953-03-01 2.60000 1953-04-01 1.16000 1953-05-01 -0.810000 1953-06-01 -0.840000 1953-07-01 -0.120000 1953-08-01 -0.460000 1953-09-01 -0.110000 1953-10-01 1.03000 1953-11-01 1.70000 1953-12-01 2.64000 1954-01-01 0.950000 1954-02-01 1.86000 1954-03-01 1.84000 1954-04-01 2.74000 1954-05-01 4.92000 1954-06-01 6.79000 1954-07-01 7.84000 1954-08-01 7.46000 1954-09-01 7.96000 1954-10-01 8.46000 1954-11-01 6.26000 1954-12-01 6.26000 1955-01-01 6.49000 1955-02-01 5.69000 1955-03-01 6.22000 1955-04-01 7.12000 1955-05-01 5.92000 1955-06-01 4.99000 1955-07-01 3.04000 1955-08-01 2.99000 1955-09-01 1.79000 1955-10-01 1.35000 1955-11-01 0.950000 1955-12-01 0.950000 1956-01-01 -2.44000 1956-02-01 0.860000 1956-03-01 1.49000 1956-04-01 1.35000 1956-05-01 1.69000 1956-06-01 1.95000 1956-07-01 2.11000 1956-08-01 2.90000 1956-09-01 3.52000 1956-10-01 1.13000 1956-11-01 2.19000 1956-12-01 3.02000 1957-01-01 5.57000 1957-02-01 3.74000 1957-03-01 2.10000 1957-04-01 0.510000 1957-05-01 0.520000 1957-06-01 -1.48000 1957-07-01 -2.37000 1957-08-01 -3.53000 1957-09-01 -4.00000 1957-10-01 -2.74000 1957-11-01 -1.22000 1957-12-01 0.200000 1958-01-01 1.61000 1958-02-01 1.54000 1958-03-01 2.67000 1958-04-01 5.20000 1958-05-01 5.98000 1958-06-01 7.10000 1958-07-01 8.34000 1958-08-01 10.4500 1958-09-01 10.7300 1958-10-01 12.7200 1958-11-01 11.3500 1958-12-01 8.18000 1959-01-01 5.93000 1959-02-01 2.94000 1959-03-01 3.00000 1959-04-01 1.74000 1959-05-01 0.190000 1959-06-01 4.42000 1959-07-01 5.95000 1959-08-01 4.07000 1959-09-01 3.39000 1959-10-01 1.85000 1959-11-01 0.830000 1959-12-01 1.03000 1960-01-01 2.70000 1960-02-01 3.84000 1960-03-01 3.79000 1960-04-01 4.57000 1960-05-01 4.56000 1960-06-01 1.44000 1960-07-01 -1.38000 1960-08-01 -0.910000 1960-09-01 -0.270000 1960-10-01 2.18000 1960-11-01 2.85000 1960-12-01 4.25000 1961-01-01 4.58000 1961-02-01 5.31000 1961-03-01 5.62000 1961-04-01 5.37000 1961-05-01 5.48000 1961-06-01 6.06000 1961-07-01 6.25000 1961-08-01 6.97000 1961-09-01 7.21000 1961-10-01 4.00000 1961-11-01 4.02000 1961-12-01 2.75000 1962-01-01 3.07000 1962-02-01 2.07000 1962-03-01 3.10000 1962-04-01 2.25000 1962-05-01 3.08000 1962-06-01 1.96000 1962-07-01 2.28000 1962-08-01 2.57000 1962-09-01 3.32000 1962-10-01 4.44000 1962-11-01 4.73000 1962-12-01 6.13000 1963-01-01 4.79000 1963-02-01 3.88000 1963-03-01 4.13000 1963-04-01 4.31000 1963-05-01 4.44000 1963-06-01 4.38000 1963-07-01 6.35000 1963-08-01 5.02000 1963-09-01 3.79000 1963-10-01 4.83000 1963-11-01 5.00000 1963-12-01 3.09000 1964-01-01 4.31000 1964-02-01 5.35000 1964-03-01 4.38000 1964-04-01 3.32000 1964-05-01 3.84000 1964-06-01 4.70000 1964-07-01 3.55000 1964-08-01 3.66000 1964-09-01 4.52000 1964-10-01 3.04000 1964-11-01 2.50000 1964-12-01 3.47000 1965-01-01 4.05000 1965-02-01 2.74000 1965-03-01 1.98000 1965-04-01 4.08000 1965-05-01 2.76000 1965-06-01 2.64000 1965-07-01 2.81000 1965-08-01 2.69000 1965-09-01 2.43000 1965-10-01 2.27000 1965-11-01 2.13000 1965-12-01 2.44000 1966-01-01 1.59000 1966-02-01 2.20000 1966-03-01 3.65000 1966-04-01 2.86000 1966-05-01 2.45000 1966-06-01 2.03000 1966-07-01 0.450000 1966-08-01 0.900000 1966-09-01 0.700000E-01 1966-10-01 1.33000 1966-11-01 0.520000 1966-12-01 0.600000 1967-01-01 0.230000 1967-02-01 1.46000 1967-03-01 0.820000 1967-04-01 0.220000 1967-05-01 1.27000 1967-06-01 2.68000 1967-07-01 2.87000 1967-08-01 2.37000 1967-09-01 3.41000 1967-10-01 2.56000 1967-11-01 3.04000 1967-12-01 3.18000 1968-01-01 3.43000 1968-02-01 1.29000 1968-03-01 2.30000 1968-04-01 2.56000 1968-05-01 2.81000 1968-06-01 1.12000 1968-07-01 1.54000 1968-08-01 3.48000 1968-09-01 2.36000 1968-10-01 1.64000 1968-11-01 2.52000 1968-12-01 2.29000 1969-01-01 2.71000 1969-02-01 4.19000 1969-03-01 3.85000 1969-04-01 2.71000 1969-05-01 1.80000 1969-06-01 0.960000