Month Percent 1876-01-01 -1.23000 1876-02-01 0.300000E-01 1876-03-01 -0.800000E-01 1876-04-01 -0.210000 1876-05-01 -0.440000 1876-06-01 -1.56000 1876-07-01 -1.36000 1876-08-01 -1.28000 1876-09-01 -1.44000 1876-10-01 -1.26000 1876-11-01 -1.31000 1876-12-01 -1.33000 1877-01-01 -0.680000 1877-02-01 -0.220000 1877-03-01 -0.480000 1877-04-01 -1.21000 1877-05-01 -1.51000 1877-06-01 -1.75000 1877-07-01 -1.52000 1877-08-01 -0.930000 1877-09-01 -2.39000 1877-10-01 -2.42000 1877-11-01 -2.39000 1877-12-01 -1.67000 1878-01-01 -1.18000 1878-02-01 -0.780000 1878-03-01 -0.380000 1878-04-01 -0.820000 1878-05-01 -1.06000 1878-06-01 -1.22000 1878-07-01 -1.01000 1878-08-01 -0.760000 1878-09-01 -1.87000 1878-10-01 -1.75000 1878-11-01 -1.51000 1878-12-01 -0.730000 1879-01-01 -0.460000 1879-02-01 0.600000E-01 1879-04-01 0.440000 1879-05-01 0.390000 1879-06-01 -0.480000 1879-07-01 -0.520000 1879-08-01 -0.370000 1879-09-01 -1.10000 1879-10-01 -1.44000 1879-11-01 -1.31000 1879-12-01 -0.540000 1880-01-01 -0.450000 1880-02-01 0.470000 1880-03-01 0.600000E-01 1880-04-01 -0.480000 1880-05-01 -0.360000 1880-06-01 -0.720000 1880-07-01 -0.270000 1880-08-01 -0.380000 1880-09-01 -2.37000 1880-10-01 -1.33000 1880-11-01 -0.250000 1880-12-01 -0.160000 1881-01-01 0.120000 1881-02-01 1.00000 1881-03-01 1.01000 1881-04-01 0.560000 1881-05-01 0.410000 1881-06-01 0.330000 1881-07-01 0.220000 1881-08-01 -0.500000E-01 1881-09-01 -0.840000 1881-10-01 -0.690000 1881-11-01 0.700000E-01 1881-12-01 0.150000 1882-01-01 0.570000 1882-02-01 0.110000 1882-03-01 -0.100000 1882-04-01 -0.110000 1882-05-01 0.190000 1882-06-01 -0.100000 1882-07-01 -0.310000 1882-08-01 -0.440000 1882-09-01 -1.27000 1882-10-01 -1.43000 1882-11-01 -1.45000 1882-12-01 -1.45000 1883-01-01 -0.270000 1883-02-01 0.200000 1883-03-01 -0.270000 1883-04-01 -0.160000 1883-05-01 -0.110000 1883-06-01 -0.570000 1883-07-01 -0.460000 1883-08-01 -0.320000 1883-09-01 -0.620000 1883-10-01 -0.840000 1883-11-01 -0.720000 1883-12-01 -0.710000 1884-01-01 -0.180000 1884-02-01 0.390000 1884-03-01 -0.360000 1884-04-01 -0.530000 1884-05-01 -0.360000 1884-06-01 -0.520000 1884-07-01 -0.500000E-01 1884-08-01 -0.300000E-01 1884-09-01 -0.910000 1884-10-01 -0.740000 1884-11-01 -0.750000 1884-12-01 -1.02000 1885-01-01 -0.420000 1885-02-01 0.190000 1885-03-01 -0.360000 1885-04-01 -1.12000 1885-05-01 -0.460000 1885-06-01 -0.580000 1885-07-01 0.600000E-01 1885-08-01 -0.130000 1885-09-01 -0.930000 1885-10-01 -0.250000 1885-11-01 -0.180000 1885-12-01 -0.660000 1886-01-01 0.460000 1886-02-01 0.860000 1886-03-01 0.470000 1886-04-01 0.810000 1886-05-01 0.400000E-01 1886-06-01 -1.10000 1886-07-01 0.640000 1886-08-01 0.540000 1886-09-01 -0.180000 1886-10-01 -0.260000 1886-11-01 -0.390000 1886-12-01 -1.35000 1887-01-01 -0.510000 1887-02-01 -0.420000 1887-03-01 -0.250000 1887-04-01 0.390000 1887-05-01 0.130000 1887-06-01 -0.250000 1887-07-01 0.750000 1887-08-01 0.690000 1887-09-01 -0.210000 1887-10-01 0.300000 1887-11-01 0.440000 1887-12-01 0.300000 1888-01-01 1.04000 1888-02-01 0.890000 1888-03-01 0.170000 1888-04-01 0.700000 1888-05-01 0.690000 1888-06-01 0.390000 1888-07-01 0.970000 1888-08-01 0.460000 1888-09-01 0.330000 1888-10-01 0.640000 1888-11-01 0.700000 1888-12-01 0.530000 1889-01-01 1.27000 1889-02-01 0.790000 1889-03-01 0.710000 1889-04-01 0.790000 1889-05-01 0.630000 1889-06-01 0.200000 1889-07-01 0.700000 1889-08-01 0.600000E-01 1889-09-01 -0.770000 1889-10-01 -1.63000 1889-11-01 -1.82000 1889-12-01 -1.90000 1890-01-01 -1.22000 1890-02-01 -1.02000 1890-03-01 -1.43000 1890-04-01 -0.490000 1890-05-01 -0.360000 1890-06-01 -1.06000 1890-07-01 -0.470000 1890-08-01 -0.630000 1890-09-01 -0.990000 1890-10-01 -1.87000 1890-11-01 -2.17000 1890-12-01 -2.24000 1891-01-01 -0.920000 1891-02-01 -0.130000 1891-03-01 0.170000 1891-04-01 0.200000 1891-05-01 -0.700000E-01 1891-06-01 -1.04000 1891-07-01 -0.720000 1891-08-01 -0.790000 1891-09-01 -1.05000 1891-10-01 -0.500000 1891-11-01 -0.590000 1891-12-01 -0.500000 1892-01-01 0.920000 1892-02-01 0.720000 1892-03-01 0.500000E-01 1892-04-01 0.420000 1892-05-01 -0.140000 1892-06-01 -0.660000 1892-07-01 0.560000 1892-08-01 -0.130000 1892-09-01 -0.720000 1892-10-01 -0.150000 1892-11-01 -0.500000E-01 1892-12-01 -0.690000 1893-01-01 0.510000 1893-02-01 0.660000 1893-03-01 0.280000 1893-04-01 0.220000 1893-05-01 -0.700000 1893-06-01 -0.990000 1893-07-01 -0.760000 1893-08-01 -1.84000 1893-09-01 -2.50000 1893-10-01 -2.17000 1893-11-01 -2.17000 1893-12-01 -1.96000 1894-01-01 -0.370000 1894-02-01 0.670000 1894-03-01 0.180000 1894-04-01 0.420000 1894-05-01 -0.400000 1894-06-01 0.500000E-01 1894-07-01 0.220000 1894-08-01 -0.190000 1894-09-01 -0.580000 1894-10-01 0.160000 1894-11-01 0.440000 1894-12-01 -0.300000E-01 1895-01-01 0.640000 1895-02-01 0.270000 1895-03-01 -0.190000 1895-04-01 0.140000 1895-05-01 -0.120000 1895-06-01 -0.570000 1895-07-01 0.480000 1895-08-01 -0.580000 1895-09-01 -1.19000 1895-10-01 -0.740000 1895-11-01 -1.15000 1895-12-01 -1.55000 1896-01-01 -1.22000 1896-02-01 -0.750000 1896-03-01 -0.470000 1896-04-01 -0.460000 1896-05-01 -0.910000 1896-06-01 -0.990000 1896-07-01 -0.630000 1896-08-01 -1.02000 1896-09-01 -1.72000 1896-10-01 -2.23000 1896-11-01 -2.71000 1896-12-01 -2.78000 1897-01-01 -1.32000 1897-02-01 -0.770000 1897-03-01 -1.24000 1897-04-01 -0.700000 1897-05-01 -0.580000 1897-06-01 -0.910000 1897-07-01 -0.580000 1897-08-01 -0.900000 1897-09-01 -1.54000 1897-10-01 -2.10000 1897-11-01 -2.17000 1897-12-01 -2.46000 1898-01-01 -1.24000 1898-02-01 -0.810000 1898-03-01 -0.910000 1898-04-01 -1.13000 1898-05-01 -1.48000 1898-06-01 -1.85000 1898-07-01 -1.45000 1898-08-01 -1.46000 1898-09-01 -1.96000 1898-10-01 -1.86000 1898-11-01 -2.15000 1898-12-01 -2.38000 1899-01-01 -1.45000 1899-02-01 -1.06000 1899-03-01 -1.58000 1899-04-01 -0.920000 1899-05-01 -0.910000 1899-06-01 -1.17000 1899-07-01 -1.00000 1899-08-01 -1.73000 1899-09-01 -2.10000 1899-10-01 -2.12000 1899-11-01 -2.70000 1899-12-01 -2.59000 1900-01-01 -0.230000 1900-02-01 -0.870000 1900-03-01 -1.89000 1900-04-01 -0.990000 1900-05-01 -1.38000 1900-06-01 -2.14000 1900-07-01 -1.31000 1900-08-01 -1.41000 1900-09-01 -1.79000 1900-10-01 -1.28000 1900-11-01 -1.41000 1900-12-01 -1.74000 1901-01-01 -0.710000 1901-02-01 -0.610000 1901-03-01 -1.24000 1901-04-01 -0.660000 1901-05-01 -0.570000 1901-06-01 -1.08000 1901-07-01 -0.720000 1901-08-01 -0.550000 1901-09-01 -0.990000 1901-10-01 -0.350000 1901-11-01 -0.600000E-01 1901-12-01 -0.210000 1902-01-01 0.680000 1902-02-01 0.680000 1902-03-01 0.510000 1902-04-01 0.680000 1902-05-01 0.200000E-01 1902-06-01 0.300000E-01 1902-07-01 0.830000 1902-08-01 0.180000 1902-09-01 -0.250000 1902-10-01 -0.100000 1902-11-01 -0.150000 1902-12-01 -0.650000 1903-01-01 0.550000 1903-02-01 0.870000 1903-03-01 0.200000 1903-04-01 0.220000 1903-05-01 -0.410000 1903-06-01 -0.770000 1903-07-01 -0.250000 1903-08-01 -1.08000 1903-09-01 -1.13000 1903-10-01 -0.580000 1903-11-01 -0.660000 1903-12-01 -0.700000 1904-01-01 0.230000 1904-02-01 -0.190000 1904-03-01 -0.690000 1904-04-01 -0.140000 1904-05-01 -0.880000 1904-06-01 -1.37000 1904-07-01 -1.29000 1904-08-01 -1.48000 1904-09-01 -1.77000 1904-10-01 -1.42000 1904-11-01 -1.40000 1904-12-01 -1.49000 1905-01-01 -0.900000E-01 1905-02-01 0.240000 1905-03-01 -0.610000 1905-04-01 0.100000 1905-05-01 -0.710000 1905-06-01 -0.670000 1905-07-01 -0.240000 1905-08-01 -0.890000 1905-09-01 -1.24000 1905-10-01 -1.28000 1905-11-01 -1.56000 1905-12-01 -1.97000 1906-01-01 -1.12000 1906-02-01 -0.900000 1906-03-01 -1.24000 1906-04-01 -0.500000 1906-05-01 -0.880000 1906-06-01 -1.16000 1906-07-01 -0.870000 1906-08-01 -1.18000 1906-09-01 -1.64000 1906-10-01 -1.92000 1906-11-01 -2.29000 1906-12-01 -2.60000 1907-01-01 -1.90000 1907-02-01 -1.68000 1907-03-01 -2.25000 1907-04-01 -1.33000 1907-05-01 -1.10000 1907-06-01 -1.30000 1907-07-01 -1.13000 1907-08-01 -1.31000 1907-09-01 -1.67000 1907-10-01 -1.57000 1907-11-01 -2.78000 1907-12-01 -3.23000 1908-01-01 -1.57000 1908-02-01 -1.88000 1908-03-01 -1.96000 1908-04-01 -1.45000 1908-05-01 -1.76000 1908-06-01 -1.67000 1908-07-01 -1.38000 1908-08-01 -1.67000 1908-09-01 -1.39000 1908-10-01 -0.810000 1908-11-01 -0.380000 1908-12-01 -0.640000 1909-01-01 0.240000 1909-02-01 -0.940000 1909-03-01 -1.41000 1909-04-01 -0.600000 1909-05-01 -1.20000 1909-06-01 -1.50000 1909-07-01 -0.980000 1909-08-01 -0.870000 1909-09-01 -1.50000 1909-10-01 -1.31000 1909-11-01 -1.69000 1909-12-01 -1.59000 1910-01-01 -0.470000 1910-02-01 -0.440000 1910-03-01 -1.30000 1910-04-01 -0.740000 1910-05-01 -1.00000 1910-06-01 -1.04000 1910-07-01 -0.950000 1910-08-01 -1.33000 1910-09-01 -1.57000 1910-10-01 -1.24000 1910-11-01 -1.69000 1910-12-01 -2.01000 1911-01-01 -0.880000 1911-02-01 -0.760000 1911-03-01 -1.02000 1911-04-01 -0.730000 1911-05-01 -0.680000 1911-06-01 -1.26000 1911-07-01 -0.270000 1911-08-01 -0.870000 1911-09-01 -1.18000 1911-10-01 -0.820000 1911-11-01 -1.13000 1911-12-01 -1.56000 1912-01-01 0.100000E-01 1912-02-01 -0.700000 1912-03-01 -1.54000 1912-04-01 -0.560000 1912-05-01 -0.910000 1912-06-01 -1.26000 1912-07-01 -0.800000 1912-08-01 -1.31000 1912-09-01 -1.50000 1912-10-01 -1.07000 1912-11-01 -1.51000 1912-12-01 -2.06000 1913-01-01 -0.680000 1913-02-01 -1.23000 1913-03-01 -1.93000 1913-04-01 -0.560000 1913-05-01 -1.36000 1913-06-01 -1.78000 1913-07-01 -0.900000 1913-08-01 -1.28000 1913-09-01 -1.60000 1913-10-01 -0.910000 1913-11-01 -0.700000 1913-12-01 -1.01000 1914-01-01 0.410000 1914-02-01 -0.120000 1914-03-01 -0.750000 1914-04-01 0.240000 1914-05-01 0.150000 1914-06-01 -0.250000 1914-07-01 0.260000 1925-01-01 -1.91000 1925-02-01 -1.70000 1925-03-01 -1.69000 1925-04-01 -1.63000 1925-05-01 -1.67000 1925-06-01 -1.76000 1925-07-01 -2.41000 1925-08-01 -2.46000 1925-09-01 -1.81000 1925-10-01 -2.17000 1925-11-01 -2.00000 1925-12-01 -1.95000 1926-01-01 -1.70000 1926-02-01 -1.19000 1926-03-01 -0.750000 1926-04-01 -0.610000 1926-05-01 0.460000 1926-06-01 1.21000 1926-07-01 1.46000 1926-08-01 2.39000 1926-09-01 2.10000 1926-10-01 2.41000 1926-11-01 2.06000 1926-12-01 1.04000 1927-01-01 0.790000 1927-02-01 0.220000 1927-03-01 0.700000 1927-04-01 -1.45000 1927-05-01 -2.44000 1927-06-01 -3.14000 1927-07-01 -3.77000 1927-08-01 -3.79000 1927-09-01 -3.89000 1927-10-01 -4.87000 1927-11-01 -4.01000 1927-12-01 -3.92000 1928-01-01 -3.46000 1928-02-01 -3.45000 1928-03-01 -4.00000 1928-04-01 -4.08000 1928-05-01 -4.04000 1928-06-01 -3.72000 1928-07-01 -3.62000 1928-08-01 -3.46000 1928-09-01 -3.39000 1928-10-01 -3.21000 1928-11-01 -2.91000 1928-12-01 -2.90000 1929-01-01 -2.30000 1929-02-01 -2.42000 1929-03-01 -2.94000 1929-04-01 -3.19000 1929-05-01 -4.00000 1929-06-01 -4.00000 1929-07-01 -3.90000 1929-08-01 -3.68000 1929-09-01 -3.68000 1929-10-01 -3.78000 1929-11-01 -3.39000 1929-12-01 -3.48000 1930-01-01 -2.95000 1930-02-01 -2.63000 1930-03-01 -2.42000 1930-04-01 -1.89000 1930-05-01 -1.53000 1930-06-01 -1.47000 1930-07-01 -1.32000 1930-08-01 -1.14000 1930-09-01 -1.31000 1930-10-01 -2.66000 1930-11-01 -2.79000 1930-12-01 -2.80000 1931-01-01 -2.86000 1931-02-01 -3.11000 1931-03-01 -3.19000 1931-04-01 -3.18000 1931-05-01 -3.37000 1931-06-01 -5.03000 1931-07-01 -7.40000 1931-08-01 -10.2000 1931-09-01 -6.44000 1931-10-01 -6.20000 1931-11-01 -6.10000 1931-12-01 -5.57000 1932-01-01 -5.19000 1932-02-01 -4.92000 1932-03-01 -4.29000 1932-04-01 -3.47000 1932-05-01 -3.37000 1932-06-01 -3.53000 1932-07-01 -3.59000 1932-08-01 -3.48000 1932-09-01 -3.25000 1932-10-01 -2.87000 1932-11-01 -2.88000 1932-12-01 -2.97000 1933-01-01 -2.76000 1933-02-01 -1.99000 1933-03-01 -1.84000 1933-04-01 -2.01000 1933-05-01 -2.12000 1933-06-01 -2.38000 1933-07-01 -1.49000 1933-08-01 -2.43000 1933-09-01 -2.75000 1933-10-01 -2.63000 1933-11-01 -2.03000 1933-12-01 -1.62000 1934-01-01 -1.76000 1934-02-01 -1.29000 1934-03-01 -1.13000 1934-04-01 -1.18000 1934-05-01 -1.28000 1934-06-01 -1.67000 1934-07-01 -1.97000 1934-08-01 -2.00000 1934-09-01 -2.25000 1934-10-01 -2.30000 1934-11-01 -2.19000 1934-12-01 -2.00000 1935-01-01 -1.66000 1935-02-01 -1.26000 1935-03-01 -1.26000 1935-04-01 -1.24000 1935-05-01 -0.530000 1935-06-01 2.72000 1935-07-01 0.600000E-01 1935-08-01 0.600000E-01 1935-09-01 -0.170000 1935-10-01 -0.330000 1935-11-01 0.880000 1935-12-01 2.89000 1936-01-01 1.26000 1936-02-01 0.810000 1936-03-01 0.740000 1936-04-01 2.03000 1936-05-01 2.68000 1936-06-01 2.72000 1936-07-01 0.420000 1936-08-01 0.110000 1936-09-01 0.380000 1936-10-01 -0.440000 1936-11-01 -1.04000 1936-12-01 -1.01000 1937-01-01 -0.780000 1937-02-01 1.01000 1937-03-01 1.06000 1937-04-01 1.08000 1937-05-01 1.05000 1937-06-01 2.14000 1937-07-01 2.32000 1937-08-01 1.23000 1937-09-01 0.660000 1937-10-01 0.740000 1937-11-01 0.380000 1937-12-01 0.120000 1938-01-01 0.120000 1938-02-01 0.120000 1938-03-01 0.130000 1938-04-01 0.370000 1938-05-01 -0.260000 1938-06-01 -0.480000 1938-07-01 -0.380000 1938-08-01 -0.380000 1938-09-01 -0.230000 1938-10-01 0.120000 1938-11-01 0.200000E-01 1938-12-01 -0.650000 1939-01-01 -1.00000 1939-02-01 -0.920000 1939-03-01 -0.940000 1939-04-01 -1.00000 1939-05-01 -0.820000 1939-06-01 -0.870000 1939-07-01 -0.870000