Year,Month,Value 1950,01,0.92 1950,02,0.40 1950,03,-0.36 1950,04,0.73 1950,05,-0.59 1950,06,-0.06 1950,07,-1.26 1951,02,0.70 1951,03,-1.02 1951,04,-0.22 1951,05,-0.59 1951,06,-1.64 1951,07,1.37 1951,08,-0.22 1951,09,-1.36 1951,10,1.87 1951,11,-0.39 1951,12,1.32 1952,01,0.93 1952,02,-0.83 1952,03,-1.49 1952,04,1.01 1952,05,-1.12 1952,06,-0.40 1952,07,-0.09 1952,08,-0.28 1952,09,-0.54 1952,10,-0.73 1952,11,-1.13 1952,12,-0.43 1953,01,0.33 1953,02,-0.49 1953,03,-0.04 1953,04,-1.67 1953,05,-0.66 1953,06,1.09 1953,07,0.40 1953,08,-0.71 1953,09,-0.35 1953,10,1.32 1953,11,1.04 1953,12,-0.47 1954,01,0.37 1954,02,0.74 1954,03,-0.83 1954,04,1.34 1954,05,-0.09 1954,06,-0.25 1954,07,-0.60 1954,08,-1.90 1954,09,-0.44 1954,10,0.60 1954,11,0.40 1954,12,0.69 1955,01,-1.84 1955,02,-1.12 1955,03,-0.53 1955,04,-0.42 1955,05,-0.34 1955,06,-1.10 1955,07,1.76 1955,08,1.07 1955,09,0.32 1955,10,-1.47 1955,11,-1.29 1955,12,0.17 1956,01,-0.22 1956,02,-1.12 1956,03,-0.05 1956,04,-1.06 1956,05,2.21 1956,06,0.10 1956,07,-0.75 1956,08,-1.37 1956,09,0.24 1956,10,0.88 1956,11,0.51 1956,12,0.10 1957,01,1.05 1957,02,0.11 1957,03,-1.26 1957,04,0.49 1957,05,-0.79 1957,06,-0.72 1957,07,-1.19 1957,08,-0.55 1957,09,-1.66 1957,10,1.32 1957,11,0.73 1957,12,0.12 1958,01,-0.54 1958,02,-1.06 1958,03,-1.96 1958,04,0.37 1958,05,-0.24 1958,06,-1.38 1958,07,-1.73 1958,08,-1.56 1958,09,-0.07 1958,10,0.16 1958,11,1.64 1958,12,-0.70 1959,01,-0.87 1959,02,0.68 1959,03,-0.15 1959,04,0.36 1959,05,0.39 1959,06,0.40 1959,07,0.74 1959,08,0.06 1959,09,0.88 1959,10,0.89 1959,11,0.41 1959,12,0.44 1960,01,-1.29 1960,02,-1.89 1960,03,-0.50 1960,04,1.36 1960,05,0.45 1960,06,-0.21 1960,07,0.35 1960,08,-1.40 1960,09,0.39 1960,10,-1.73 1960,11,-0.51 1960,12,0.06 1961,01,0.41 1961,02,0.45 1961,03,0.55 1961,04,-1.55 1961,05,-0.36 1961,06,0.86 1961,07,-0.39 1961,08,0.90 1961,09,1.24 1961,10,0.51 1961,11,-0.62 1961,12,-1.48 1962,01,0.61 1962,02,0.55 1962,03,-2.47 1962,04,0.99 1962,05,-0.10 1962,06,0.16 1962,07,-2.47 1962,08,0.14 1962,09,-0.37 1962,10,0.41 1962,11,-0.23 1962,12,-1.32 1963,01,-2.12 1963,02,-0.96 1963,03,-0.43 1963,04,-1.35 1963,05,2.16 1963,06,-0.43 1963,07,-0.77 1963,08,-0.64 1963,09,1.79 1963,10,0.94 1963,11,-1.27 1963,12,-1.92 1964,01,-0.95 1964,02,-1.43 1964,03,-1.20 1964,04,0.36 1964,05,0.52 1964,06,1.29 1964,07,1.90 1964,08,-1.77 1964,09,0.20 1964,10,0.74 1964,11,-0.01 1964,12,-0.15 1965,01,-0.12 1965,02,-1.55 1965,03,-1.51 1965,04,0.72 1965,05,-0.62 1965,06,0.29 1965,07,0.32 1965,08,0.45 1965,09,0.37 1965,10,0.38 1965,11,-1.66 1965,12,1.37 1966,01,-1.74 1966,02,-1.39 1966,03,0.56 1966,04,-0.75 1966,05,0.22 1966,06,1.05 1966,07,0.32 1966,08,-1.76 1966,09,-0.45 1966,10,-0.68 1966,11,-0.04 1966,12,0.72 1967,01,-0.89 1967,02,0.19 1967,03,1.51 1967,04,0.18 1967,05,-0.99 1967,06,1.40 1967,07,0.41 1967,08,1.44 1967,09,0.93 1967,10,0.07 1967,11,0.60 1967,12,-0.45 1968,01,0.13 1968,02,-1.29 1968,03,0.40 1968,04,-1.08 1968,05,-1.76 1968,06,0.33 1968,07,-0.80 1968,08,-0.66 1968,09,-1.92 1968,10,-2.30 1968,11,-0.93 1968,12,-1.40 1969,01,-0.83 1969,02,-1.55 1969,03,-1.56 1969,04,1.53 1969,05,0.55 1969,06,0.55 1969,07,0.57 1969,08,-1.45 1969,09,2.07 1969,10,0.66 1969,11,-0.96 1969,12,-0.28 1970,01,-1.50 1970,02,0.64 1970,03,-0.96 1970,04,-1.30 1970,05,1.14 1970,06,1.55 1970,07,0.10 1970,08,0.10 1970,09,-0.09 1970,10,-0.92 1970,11,-0.60 1970,12,-1.20 1971,01,-1.13 1971,02,0.24 1971,03,-0.84 1971,04,-0.24 1971,05,0.50 1971,06,-1.57 1971,07,0.24 1971,08,1.55 1971,09,0.39 1971,10,0.58 1971,11,-0.20 1971,12,0.60 1972,01,0.27 1972,02,0.32 1972,03,0.72 1972,04,-0.22 1972,05,0.95 1972,06,0.88 1972,07,0.18 1972,08,1.32 1972,09,-0.12 1972,10,1.09 1972,11,0.54 1972,12,0.19 1973,01,0.04 1973,02,0.85 1973,03,0.30 1973,04,-0.54 1973,05,-0.44 1973,06,0.39 1973,07,0.57 1973,08,-0.06 1973,09,-0.30 1973,10,-1.24 1973,11,-0.93 1973,12,0.32 1974,01,1.34 1974,02,-0.14 1974,03,-0.03 1974,04,0.51 1974,05,-0.24 1974,06,-0.14 1974,07,-0.76 1974,08,-0.64 1974,09,0.82 1974,10,0.49 1974,11,-0.54 1974,12,1.50 1975,01,0.58 1975,02,-0.62 1975,03,-0.61 1975,04,-1.60 1975,05,-0.52 1975,06,-0.84 1975,07,1.55 1975,08,-0.26 1975,09,1.56 1975,10,-0.54 1975,11,0.41 1975,12,0.00 1976,01,-0.25 1976,02,0.93 1976,03,0.75 1976,04,0.26 1976,05,0.96 1976,06,0.80 1976,07,-0.32 1976,08,1.92 1976,09,-1.29 1976,10,-0.08 1976,11,0.17 1976,12,-1.60 1977,01,-1.04 1977,02,-0.49 1977,03,-0.81 1977,04,0.65 1977,05,-0.86 1977,06,-0.57 1977,07,-0.45 1977,08,-0.28 1977,09,0.37 1977,10,0.52 1977,11,-0.07 1977,12,-1.00 1978,01,0.66 1978,02,-2.20 1978,03,0.70 1978,04,-1.17 1978,05,1.08 1978,06,1.38 1978,07,-1.14 1978,08,0.64 1978,09,0.46 1978,10,1.93 1978,11,3.04 1978,12,-1.57 1979,01,-1.38 1979,02,-0.67 1979,03,0.78 1979,04,-1.71 1979,05,-1.03 1979,06,1.60 1979,07,0.83 1979,08,0.96 1979,09,1.01 1979,10,-0.30 1979,11,0.53 1979,12,1.00 1980,01,-0.75 1980,02,0.05 1980,03,-0.31 1980,04,1.29 1980,05,-1.50 1980,06,-0.37 1980,07,-0.42 1980,08,-2.24 1980,09,0.66 1980,10,-1.77 1980,11,-0.37 1980,12,0.78 1981,01,0.37 1981,02,0.92 1981,03,-1.19 1981,04,0.36 1981,05,0.20 1981,06,-0.45 1981,07,0.05 1981,08,0.39 1981,09,-1.45 1981,10,-1.35 1981,11,-0.38 1981,12,-0.02 1982,01,-0.89 1982,02,1.15 1982,03,1.15 1982,04,0.10 1982,05,-0.53 1982,06,-1.63 1982,07,1.15 1982,08,0.26 1982,09,1.76 1982,10,-0.74 1982,11,1.60 1982,12,1.78 1983,01,1.59 1983,02,-0.53 1983,03,0.95 1983,04,-0.85 1983,05,-0.07 1983,06,0.99 1983,07,1.19 1983,08,1.61 1983,09,-1.12 1983,10,0.65 1983,11,-0.98 1983,12,0.29 1984,01,1.66 1984,02,0.72 1984,03,-0.37 1984,04,-0.28 1984,05,0.54 1984,06,-0.42 1984,07,-0.07 1984,08,1.15 1984,09,0.17 1984,10,-0.07 1984,11,-0.06 1984,12,0.00 1985,01,-1.61 1985,02,-0.49 1985,03,0.20 1985,04,0.32 1985,05,-0.49 1985,06,-0.80 1985,07,1.22 1985,08,-0.48 1985,09,-0.52 1985,10,0.90 1985,11,-0.67 1985,12,0.22 1986,01,1.11 1986,02,-1.00 1986,03,1.71 1986,04,-0.59 1986,05,0.85 1986,06,1.22 1986,07,0.12 1986,08,-1.09 1986,09,-1.12 1986,10,1.55 1986,11,2.29 1986,12,0.99 1987,01,-1.15 1987,02,-0.73 1987,03,0.14 1987,04,2.00 1987,05,0.98 1987,06,-1.82 1987,07,0.52 1987,08,-0.83 1987,09,-1.22 1987,10,0.14 1987,11,0.18 1987,12,0.32 1988,01,1.02 1988,02,0.76 1988,03,-0.17 1988,04,-1.17 1988,05,0.63 1988,06,0.88 1988,07,-0.35 1988,08,0.04 1988,09,-0.99 1988,10,-1.08 1988,11,-0.34 1988,12,0.61 1989,01,1.17 1989,02,2.00 1989,03,1.85 1989,04,0.28 1989,05,1.38 1989,06,-0.27 1989,07,0.97 1989,08,0.01 1989,09,2.05 1989,10,-0.03 2004,01,-0.29 2004,02,-0.14 2004,03,1.02 2004,04,1.15 2004,05,0.19 2004,06,-0.89 2004,07,1.13 2004,08,-0.48 2004,09,0.38 2004,10,-1.10 2004,11,0.73 2004,12,1.21 2005,01,1.52 2005,02,-0.06 2005,03,-1.83 2005,04,-0.30 2005,05,-1.25 2005,06,-0.05 2005,07,-0.51 2005,08,0.37 2005,09,0.63 2005,10,-0.98 2005,11,-0.31 2005,12,-0.44 2006,01,1.27 2006,02,-0.51 2006,03,-1.28 2006,04,1.24 2006,05,-1.14 2006,06,0.84 2006,07,0.90 2006,08,-1.73 2006,09,-1.62 2006,10,-2.24 2006,11,0.44 2006,12,1.34 2007,01,0.22 2007,02,-0.47 2007,03,1.44 2007,04,0.17 2007,05,0.66 2007,06,-1.31 2007,07,-0.58 2007,08,-0.14 2007,09,0.72 2007,10,0.45 2007,11,0.58 2007,12,0.34 2008,01,0.89 2008,02,0.73 2008,03,0.08 2008,04,-1.07 2008,05,-1.73 2008,06,-1.39 2008,07,-1.27 2008,08,-1.16 2008,09,1.02 2008,10,-0.04 2008,11,-0.32 2008,12,-0.28 2009,01,-0.01 2009,02,0.06 2009,03,0.57 2009,04,-0.20 2009,05,1.68 2009,06,-1.21 2009,07,-2.15 2009,08,-0.19 2009,09,1.51 2009,10,-1.03 2009,11,-0.02 2009,12,-1.93 2010,01,-1.11 2010,02,-1.98 2010,03,-0.88 2010,04,-0.72 2010,05,-1.49 2010,06,-0.82 2010,07,-0.42 2010,08,-1.22 2010,09,-0.79 2010,10,-0.93 2010,11,-1.62 2010,12,-1.85 2011,01,-0.88 2011,02,0.70 2011,03,0.61 2011,04,2.48 2011,05,-0.06 2011,06,-1.28 2011,07,-1.51 2011,08,-1.35 2011,09,0.54 2011,10,0.39 2011,11,1.36 2011,12,2.52 2012,01,1.17 2012,02,0.42 2012,03,1.27 2012,04,0.47 2012,05,-0.91 2012,06,-2.53 2012,07,-1.32 2012,08,-0.98 2012,09,-0.59 2012,10,-2.06 2012,11,-0.58 2012,12,0.17 2013,01,0.35 2013,02,-0.45 2013,03,-1.61 2013,04,0.69 2013,05,0.57 2013,06,0.52 2013,07,0.67 2013,08,0.97 2013,09,0.24 2013,10,-1.28 2013,11,0.90 2013,12,0.95 2014,01,0.29 2014,02,1.34 2014,03,0.80 2014,04,0.31 2014,05,-0.92 2017,05,-1.91 2017,06,0.05 2017,07,1.26 2017,08,-1.10 2017,09,-0.61 2017,10,0.19 2017,11,-0.00 2017,12,0.88 2018,01,1.44 2018,02,1.58 2018,03,-0.93 2018,04,1.24 2018,05,2.12 2018,06,1.09 2018,07,1.39 2018,08,1.97 2018,09,1.67 2018,10,0.93 2018,11,-0.11 2018,12,0.61 2019,01,0.59 2019,02,0.29 2019,03,1.23 2019,04,0.47 2019,05,-2.62 2019,06,-1.09 2019,07,-1.43 2019,08,-1.17 2019,09,-0.16 1950,08,-0.05 1950,09,0.25 1950,10,0.85 1950,11,-1.26 1950,12,-1.02 1951,01,0.08 2014,06,-0.97 2014,07,0.18 2014,08,-1.68 2014,09,1.62 2014,10,-1.27 2014,11,0.68 2014,12,1.86 2015,01,1.79 2015,02,1.32 2015,03,1.45 2015,04,0.73 2015,05,0.15 2015,06,-0.07 2015,07,-3.18 2015,08,-0.76 2015,09,-0.65 2015,10,0.44 2015,11,1.74 2015,12,2.24 2016,01,0.12 2016,02,1.58 2016,03,0.73 2016,04,0.38 2016,05,-0.77 2016,06,-0.43 2016,07,-1.76 2016,08,-1.65 2016,09,0.61 2016,10,0.41 2016,11,-0.16 2016,12,0.48 2017,01,0.48 2017,02,1.00 2017,03,0.74 2017,04,1.73 1989,11,0.16 1989,12,-1.15 1990,01,1.04 1990,02,1.41 1990,03,1.46 1990,04,2.00 1990,05,-1.53 1990,06,-0.02 1990,07,0.53 1990,08,0.97 1990,09,1.06 1990,10,0.23 1990,11,-0.24 1990,12,0.22 1991,01,0.86 1991,02,1.04 1991,03,-0.20 1991,04,0.29 1991,05,0.08 1991,06,-0.82 1991,07,-0.49 1991,08,1.23 1991,09,0.48 1991,10,-0.19 1991,11,0.48 1991,12,0.46 1992,01,-0.13 1992,02,1.07 1992,03,0.87 1992,04,1.86 1992,05,2.63 1992,06,0.20 1992,07,0.16 1992,08,0.85 1992,09,-0.44 1992,10,-1.76 1992,11,1.19 1992,12,0.47 1993,01,1.60 1993,02,0.50 1993,03,0.67 1993,04,0.97 1993,05,-0.78 1993,06,-0.59 1993,07,-3.18 1993,08,0.12 1993,09,-0.57 1993,10,-0.71 1993,11,2.56 1993,12,1.56 1994,01,1.04 1994,02,0.46 1994,03,1.26 1994,04,1.14 1994,05,-0.57 1994,06,1.52 1994,07,1.31 1994,08,0.38 1994,09,-1.32 1994,10,-0.97 1994,11,0.64 1994,12,2.02 1995,01,0.93 1995,02,1.14 1995,03,1.25 1995,04,-0.85 1995,05,-1.49 1995,06,0.13 1995,07,-0.22 1995,08,0.69 1995,09,0.31 1995,10,0.19 1995,11,-1.38 1995,12,-1.67 1996,01,-0.12 1996,02,-0.07 1996,03,-0.24 1996,04,-0.17 1996,05,-1.06 1996,06,0.56 1996,07,0.67 1996,08,1.02 1996,09,-0.86 1996,10,-0.33 1996,11,-0.56 1996,12,-1.41 1997,01,-0.49 1997,02,1.70 1997,03,1.46 1997,04,-1.02 1997,05,-0.28 1997,06,-1.47 1997,07,0.34 1997,08,0.83 1997,09,0.61 1997,10,-1.70 1997,11,-0.90 1997,12,-0.96 1998,01,0.39 1998,02,-0.11 1998,03,0.87 1998,04,-0.68 1998,05,-1.32 1998,06,-2.72 1998,07,-0.48 1998,08,-0.02 1998,09,-2.00 1998,10,-0.29 1998,11,-0.28 1998,12,0.87 1999,01,0.77 1999,02,0.29 1999,03,0.23 1999,04,-0.95 1999,05,0.92 1999,06,1.12 1999,07,-0.90 1999,08,0.39 1999,09,0.36 1999,10,0.20 1999,11,0.65 1999,12,1.61 2000,01,0.60 2000,02,1.70 2000,03,0.77 2000,04,-0.03 2000,05,1.58 2000,06,-0.03 2000,07,-1.03 2000,08,-0.29 2000,09,-0.21 2000,10,0.92 2000,11,-0.92 2000,12,-0.58 2001,01,0.25 2001,02,0.45 2001,03,-1.26 2001,04,0.00 2001,05,-0.02 2001,06,-0.20 2001,07,-0.25 2001,08,-0.07 2001,09,-0.65 2001,10,-0.24 2001,11,0.63 2001,12,-0.83 2002,01,0.44 2002,02,1.10 2002,03,0.69 2002,04,1.18 2002,05,-0.22 2002,06,0.38 2002,07,0.62 2002,08,0.38 2002,09,-0.70 2002,10,-2.28 2002,11,-0.18 2002,12,-0.94 2003,01,0.16 2003,02,0.62 2003,03,0.32 2003,04,-0.18 2003,05,0.01 2003,06,-0.07 2003,07,0.13 2003,08,-0.07 2003,09,0.01 2003,10,-1.26 2003,11,0.86 2003,12,0.64