Month Percent 1926-01-01 4.46000 1926-02-01 4.51000 1926-03-01 4.92000 1926-04-01 5.17000 1926-05-01 5.26000 1926-06-01 5.24000 1926-07-01 5.09000 1926-08-01 4.92000 1926-09-01 4.86000 1926-10-01 4.97000 1926-11-01 4.93000 1926-12-01 4.94000 1927-01-01 5.02000 1927-02-01 5.01000 1927-03-01 5.07000 1927-04-01 4.97000 1927-05-01 4.85000 1927-06-01 4.97000 1927-07-01 4.91000 1927-08-01 4.68000 1927-09-01 4.42000 1927-10-01 4.47000 1927-11-01 4.37000 1927-12-01 4.32000 1928-01-01 4.31000 1928-02-01 4.39000 1928-03-01 4.20000 1928-04-01 4.05000 1928-05-01 3.93000 1928-06-01 4.13000 1928-07-01 4.14000 1928-08-01 4.01000 1928-09-01 3.78000 1928-10-01 3.72000 1928-11-01 3.50000 1928-12-01 3.60000 1929-01-01 3.36000 1929-02-01 3.38000 1929-03-01 3.31000 1929-04-01 3.35000 1929-05-01 3.37000 1929-06-01 3.38000 1929-07-01 3.16000 1929-08-01 3.01000 1929-09-01 2.92000 1929-10-01 3.33000 1929-11-01 4.54000 1929-12-01 4.48000 1930-01-01 4.38000 1930-02-01 4.14000 1930-03-01 3.99000 1930-04-01 3.78000 1930-05-01 4.02000 1930-06-01 4.50000 1930-07-01 4.44000 1930-08-01 4.42000 1930-09-01 4.33000 1930-10-01 5.05000 1930-11-01 5.43000 1930-12-01 5.62000 1931-01-01 5.50000 1931-02-01 5.12000 1931-03-01 4.95000 1931-04-01 5.43000 1931-05-01 5.95000 1931-06-01 5.96000 1931-07-01 5.66000 1931-08-01 5.74000 1931-09-01 6.51000 1931-10-01 7.28000 1931-11-01 7.06000 1931-12-01 8.68000 1932-01-01 8.22000 1932-02-01 8.04000 1932-03-01 7.16000 1932-04-01 9.13000 1932-05-01 9.57000 1932-06-01 10.3000 1932-07-01 8.85000 1932-08-01 5.65000 1932-09-01 4.94000 1932-10-01 5.73000 1932-11-01 5.84000 1932-12-01 5.68000 1933-01-01 5.42000 1933-02-01 6.04000 1933-03-01 6.18000 1933-04-01 5.47000 1933-05-01 3.90000 1933-06-01 3.20000 1933-07-01 2.95000 1933-08-01 3.19000 1933-09-01 3.30000 1933-10-01 3.59000 1933-11-01 3.65000 1933-12-01 3.59000 1934-01-01 3.36000 1934-02-01 3.10000 1934-03-01 3.33000 1934-04-01 3.25000 1934-05-01 3.58000 1934-06-01 3.55000 1934-07-01 3.67000 1934-08-01 4.00000 1934-09-01 4.21000 1934-10-01 4.22000 1934-11-01 4.14000 1934-12-01 4.25000 1935-01-01 4.24000 1935-02-01 4.24000 1935-03-01 4.51000 1935-04-01 4.35000 1935-05-01 4.00000 1935-06-01 3.82000 1935-07-01 3.58000 1935-08-01 3.48000 1935-09-01 3.51000 1935-10-01 3.50000 1935-11-01 3.24000 1935-12-01 3.38000 1936-01-01 3.27000 1936-02-01 3.14000 1936-03-01 3.11000 1936-04-01 3.19000 1936-05-01 3.46000 1936-06-01 3.51000 1936-07-01 3.37000 1936-08-01 3.40000 1936-09-01 3.56000 1936-10-01 3.41000 1936-11-01 3.52000 1936-12-01 4.36000 1937-01-01 4.34000 1937-02-01 3.83000 1937-03-01 3.47000 1937-04-01 3.74000 1937-05-01 4.04000 1937-06-01 4.41000 1937-07-01 4.18000 1937-08-01 4.23000 1937-09-01 5.06000 1937-10-01 6.01000 1937-11-01 7.01000 1937-12-01 7.94000 1938-01-01 7.84000 1938-02-01 7.52000 1938-03-01 6.02000 1938-04-01 5.84000 1938-05-01 5.68000 1938-06-01 5.40000 1938-07-01 4.35000 1938-08-01 4.26000 1938-09-01 4.30000 1938-10-01 3.77000 1938-11-01 3.59000 1938-12-01 3.58000 1939-01-01 3.49000 1939-02-01 3.61000 1939-03-01 3.69000 1939-04-01 4.23000 1939-05-01 4.25000 1939-06-01 4.33000 1939-07-01 4.26000 1939-08-01 4.33000 1939-09-01 3.91000 1939-10-01 3.87000 1939-11-01 4.12000 1939-12-01 4.54000 1940-01-01 4.58000 1940-02-01 4.65000 1940-03-01 4.70000 1940-04-01 4.73000 1940-05-01 5.69000 1940-06-01 6.31000 1940-07-01 6.08000 1940-08-01 6.11000 1940-09-01 5.95000 1940-10-01 5.92000 1940-11-01 5.98000 1940-12-01 6.37000 1941-01-01 6.38000 1941-02-01 6.61000 1941-03-01 6.52000 1941-04-01 6.77000 1941-05-01 6.91000 1941-06-01 6.79000 1941-07-01 6.43000 1941-08-01 6.51000 1941-09-01 6.56000 1941-10-01 6.90000 1941-11-01 7.37000 1941-12-01 8.13000 1942-01-01 7.88000 1942-02-01 8.05000 1942-03-01 8.15000 1942-04-01 8.47000 1942-05-01 8.21000 1942-06-01 7.37000 1942-07-01 7.07000 1942-08-01 6.98000 1942-09-01 6.67000 1942-10-01 6.18000 1942-11-01 6.00000 1942-12-01 5.84000 1943-01-01 5.54000 1943-02-01 5.21000 1943-03-01 5.04000 1943-04-01 4.86000 1943-05-01 4.69000 1943-06-01 4.64000 1943-07-01 4.57000 1943-08-01 4.78000 1943-09-01 4.79000 1943-10-01 4.84000 1943-11-01 5.07000 1943-12-01 5.07000 1944-01-01 4.95000 1944-02-01 4.99000 1944-03-01 4.88000 1944-04-01 4.97000 1944-05-01 4.99000 1944-06-01 4.81000 1944-07-01 4.68000 1944-08-01 4.77000 1944-09-01 4.91000 1944-10-01 4.75000 1944-11-01 4.82000 1944-12-01 4.77000 1945-01-01 4.60000 1945-02-01 4.43000 1945-03-01 4.48000 1945-04-01 4.36000 1945-05-01 4.21000 1945-06-01 4.12000 1945-07-01 4.21000 1945-08-01 4.27000 1945-09-01 4.01000 1945-10-01 3.85000 1945-11-01 3.73000 1945-12-01 3.71000 1946-01-01 3.56000 1946-02-01 3.62000 1946-03-01 3.72000 1946-04-01 3.51000 1946-05-01 3.48000 1946-06-01 3.53000 1946-07-01 3.62000 1946-08-01 3.65000 1946-09-01 4.21000 1946-10-01 4.33000 1946-11-01 4.50000 1946-12-01 4.47000 1947-01-01 4.49000 1947-02-01 4.38000 1947-03-01 4.61000 1947-04-01 4.75000 1947-05-01 5.05000 1947-06-01 5.03000 1947-07-01 4.81000 1947-08-01 4.97000 1947-09-01 5.16000 1947-10-01 5.10000 1947-11-01 5.24000 1947-12-01 5.55000 1948-01-01 5.71000 1948-02-01 6.01000 1948-03-01 5.90000 1948-04-01 5.50000 1948-05-01 5.32000 1948-06-01 5.02000 1948-07-01 4.96000 1948-08-01 5.17000 1948-09-01 5.29000 1948-10-01 5.29000 1948-11-01 6.09000 1948-12-01 6.24000 1949-01-01 6.20000 1949-02-01 6.54000 1949-03-01 6.57000 1949-04-01 6.65000 1949-05-01 6.72000 1949-06-01 7.09000 1949-07-01 6.73000 1949-08-01 6.54000 1949-09-01 6.36000 1949-10-01 6.26000 1949-11-01 6.61000 1949-12-01 6.75000 1950-01-01 6.65000 1950-02-01 6.62000 1950-03-01 6.53000 1950-04-01 6.36000 1950-05-01 6.16000 1950-06-01 6.12000 1950-07-01 6.63000 1950-08-01 6.54000 1950-09-01 6.65000 1950-10-01 6.39000 1950-11-01 6.97000 1950-12-01 7.24000 1951-01-01 6.34000 1951-02-01 6.20000 1951-03-01 6.34000 1951-04-01 6.27000 1951-05-01 6.23000 1951-06-01 6.30000 1951-07-01 6.25000 1951-08-01 5.96000 1951-09-01 5.75000 1951-10-01 5.77000 1951-11-01 6.18000 1951-12-01 5.99000 1952-01-01 5.82000 1952-02-01 5.99000 1952-03-01 5.94000 1952-04-01 5.96000 1952-05-01 5.99000 1952-06-01 5.83000 1952-07-01 5.65000 1952-08-01 5.66000 1952-09-01 5.74000 1952-10-01 5.89000 1952-11-01 5.69000 1952-12-01 5.47000 1953-01-01 5.45000 1953-02-01 5.52000 1953-03-01 5.48000 1953-04-01 5.75000 1953-05-01 5.77000 1953-06-01 5.99000 1953-07-01 5.90000 1953-08-01 5.87000 1953-09-01 6.14000 1953-10-01 5.99000 1953-11-01 5.92000 1953-12-01 5.83000 1954-01-01 5.69000 1954-02-01 5.62000 1954-03-01 5.46000 1954-04-01 5.24000 1954-05-01 5.02000 1954-06-01 4.99000 1954-07-01 4.77000 1954-08-01 4.63000 1954-09-01 4.57000 1954-10-01 4.43000 1954-11-01 4.52000 1954-12-01 4.45000 1955-01-01 4.38000 1955-02-01 4.32000 1955-03-01 4.33000 1955-04-01 4.19000 1955-05-01 4.23000 1955-06-01 4.01000 1955-07-01 3.72000 1955-08-01 3.87000 1955-09-01 3.72000 1955-10-01 3.94000 1955-11-01 4.05000 1955-12-01 4.15000 1956-01-01 4.24000 1956-02-01 4.24000 1956-03-01 3.97000 1956-04-01 3.94000 1956-05-01 4.09000 1956-06-01 4.09000 1956-07-01 3.89000 1956-08-01 3.92000 1956-09-01 4.07000 1956-10-01 4.12000 1956-11-01 4.27000 1956-12-01 4.24000 1957-01-01 4.31000 1957-02-01 4.54000 1957-03-01 4.47000 1957-04-01 4.36000 1957-05-01 4.18000 1957-06-01 4.04000 1957-07-01 3.95000 1957-08-01 4.17000 1957-09-01 4.31000 1957-10-01 4.54000 1957-11-01 4.67000 1957-12-01 4.64000 1958-01-01 4.48000 1958-02-01 4.47000 1958-03-01 4.37000 1958-04-01 4.33000 1958-05-01 4.19000 1958-06-01 4.08000 1958-07-01 3.98000 1958-08-01 3.78000 1958-09-01 3.69000 1958-10-01 3.54000 1958-11-01 3.42000 1958-12-01 3.33000 1959-01-01 3.24000 1959-02-01 3.32000 1959-03-01 3.25000 1959-04-01 3.26000 1959-05-01 3.21000 1959-06-01 3.23000 1959-07-01 3.11000 1959-08-01 3.14000 1959-09-01 3.26000 1959-10-01 3.26000 1959-11-01 3.24000 1959-12-01 3.18000 1960-01-01 3.27000 1960-02-01 3.44000 1960-03-01 3.51000 1960-04-01 3.47000 1960-05-01 3.51000 1960-06-01 3.40000 1960-07-01 3.49000 1960-08-01 3.43000 1960-09-01 3.55000 1960-10-01 3.60000 1960-11-01 3.51000 1960-12-01 3.41000 1961-01-01 3.28000 1961-02-01 3.13000 1961-03-01 3.03000 1961-04-01 2.95000 1961-05-01 2.92000 1961-06-01 2.99000 1961-07-01 3.00000 1961-08-01 2.91000 1961-09-01 2.93000 1961-10-01 2.91000 1961-11-01 2.84000 1961-12-01 2.85000 1962-01-01 2.97000 1962-02-01 2.95000 1962-03-01 2.95000 1962-04-01 3.05000 1962-05-01 3.32000 1962-06-01 3.78000 1962-07-01 3.68000 1962-08-01 3.57000 1962-09-01 3.60000 1962-10-01 3.71000 1962-11-01 3.50000 1962-12-01 3.40000 1963-01-01 3.31000 1963-02-01 3.27000 1963-03-01 3.28000 1963-04-01 3.15000 1963-05-01 3.13000 1963-06-01 3.16000 1963-07-01 3.20000 1963-08-01 3.13000 1963-09-01 3.06000 1963-10-01 3.05000 1963-11-01 3.14000 1963-12-01 3.13000 1964-01-01 3.05000 1964-02-01 3.05000 1964-03-01 3.03000 1964-04-01 3.00000 1964-05-01 3.01000 1964-06-01 3.05000 1964-07-01 2.96000 1964-08-01 3.03000 1964-09-01 3.00000 1964-10-01 2.95000 1964-11-01 2.96000 1964-12-01 3.05000 1965-01-01 2.99000 1965-02-01 2.99000 1965-03-01 2.99000 1965-04-01 2.95000 1965-05-01 2.92000 1965-06-01 3.07000 1965-07-01 3.09000 1965-08-01 3.06000 1965-09-01 2.98000 1965-10-01 2.91000 1965-11-01 2.96000 1965-12-01 3.05000 1966-01-01 3.02000 1966-02-01 3.06000 1966-03-01 3.23000 1966-04-01 3.15000 1966-05-01 3.30000 1966-06-01 3.36000 1966-07-01 3.37000 1966-08-01 3.60000 1966-09-01 3.75000 1966-10-01 3.76000 1966-11-01 3.66000 1966-12-01 3.59000 1967-01-01 3.51000 1967-02-01 3.36000 1967-03-01 3.29000 1967-04-01 3.24000 1967-05-01 3.19000 1967-06-01 3.19000 1967-07-01 3.15000 1967-08-01 3.11000 1967-09-01 3.07000 1967-10-01 3.07000 1967-11-01 3.18000 1967-12-01 3.09000 1968-01-01 3.13000 1968-02-01 3.28000 1968-03-01 3.34000 1968-04-01 3.12000 1968-05-01 3.07000 1968-06-01 3.00000 1968-07-01 3.00000 1968-08-01 3.09000 1968-09-01 3.01000 1968-10-01 2.94000 1968-11-01 2.92000 1968-12-01 2.93000 1969-01-01 3.06000 1969-02-01 3.10000