1870,25.58,25.57,26.43,26.96,26.59,26.61,26.19,25.99,26.22,25.82,25.86,25.79
1871,26.33,26.18,26.83,27.27,27.16,27.16,26.62,26.54,26.51,26.4,26.35,26.01
1872,25.86,26.14,26.76,27,27.25,27.16,26.91,26.02,25.73,25.79,25.86,25.71
1873,25.79,25.75,25.95,27.1,27.33,27.21,26.65,26.48,26.41,25.96,25.88,25.89
1874,25.64,25.7,25.85,26.83,27,26.96,26.22,25.82,25.62,25.49,25.33,25.45
1875,25.87,26.39,26.66,26.9,26.77,26.92,26.37,26.06,25.84,25.9,26.01,25.83
1876,25.63,25.56,26.13,26.59,26.78,27.25,26.88,26.71,26.73,26.85,26.8,26.81
1877,26.93,27.22,27.78,28.27,28.62,28.67,28.64,28.42,28.5,28.68,28.74,29.07
1878,28.99,29.19,28.57,28.69,28.69,28.61,27.48,26.76,26.43,26.2,25.95,25.83
1879,26.03,26.58,27.02,27.4,27.03,27.02,26.46,26.18,25.93,25.8,25.52,25.56
1880,25.58,26.03,26.63,27.2,27.15,27.08,26.7,26.63,26.72,26.9,26.9,26.77
1881,26.87,26.99,27.58,28.18,28.03,27.92,26.96,26.71,26.42,26.31,26.06,26.22
1882,26.13,26.21,26.73,27.87,27.88,27.29,26.65,26.55,26.24,26.08,25.74,25.83
1883,26.12,26.27,26.86,27.54,27.49,27.48,27.21,26.85,26.58,26.32,26.43,26.44
1884,26.47,26.75,27.26,28.03,28.26,27.55,27.51,27.08,26.94,27.02,26.95,26.93
1885,26.7,27.03,27.38,27.75,28.3,27.85,27.3,27.21,27.27,27.45,27.46,27.61
1886,26.75,26.67,27.15,27.4,27.02,26.79,26.25,25.85,25.54,25.59,25.31,25.15
1887,25.9,25.74,26.08,26.59,26.72,27.12,26.68,26.25,26.41,26.61,26.69,26.74
1888,26.73,27.42,27.66,28.07,28.34,28.09,27.78,27.8,27.33,28.16,28.86,28.26
1889,28.56,28.24,28.09,28.23,28.19,27.78,26.47,25.88,25.83,25.42,25.57,25.34
1890,24.09,24.65,26.11,26.63,26.87,26.82,26.3,25.5,25.46,25.47,25.58,25.9
1891,26.13,26.51,27.19,27.92,27.99,27.97,27.34,26.93,26.67,26.7,26.71,26.6
1892,26.08,26.42,26.68,27.12,27.14,27.12,26.6,26.25,25.68,25.19,25.03,25.41
1893,25.35,25.6,26.02,26.47,26.55,26.5,25.91,25.58,25.48,25.37,25.35,25.59
1894,25.49,25.63,26.2,26.85,26.87,26.85,26.34,26.07,25.65,25.91,25.73,26.11
1895,25.85,26.28,26.86,27.6,27.83,27.47,26.96,27.23,27.17,27.05,27.1,27.07
1896,26.74,26.85,27.41,27.76,27.82,27.48,27.66,27.92,27.79,27.83,28.16,28.14
1897,28.07,27.9,27.8,27.55,27.69,27.66,27.29,26.73,26.51,26.17,26.04,26.19
1898,26.07,26.19,26.47,27.16,27.28,27.4,26.59,26.11,26.56,26.4,26,25.8
1899,25.83,26.05,26.69,27.43,27.9,27.78,27.2,27.51,27.18,27.66,27.94,28.09
1900,27.99,28.06,28.25,28.43,28.4,28.45,27.97,27.65,27.31,27.15,26.79,27.19
1901,27.4,27.06,27.3,27.64,27.68,27.43,26.93,26.5,26.45,26.42,26.26,26.24
1902,26.08,26.5,26.99,27.97,28.34,28.45,28.67,28.09,28.19,28.13,28.19,27.98
1903,27.91,27.69,28.05,28.13,27.77,27.98,26.74,26.55,26.15,26.31,25.89,25.57
1904,25.84,25.97,26.4,27.05,27.47,27.83,27.98,27.42,26.76,27.65,26.81,27.44
1905,27.26,27.48,28.18,28.06,28.94,28.28,28.05,27.92,28.18,27.85,27.48,27.76
1906,27.47,27.44,28.06,28.22,27.88,27.83,26.73,26.51,25.94,25.87,26.33,26.07
1907,26.01,26.36,26.83,27.21,27.39,27.28,26.68,26.22,26.88,26.48,26.4,26.49
1908,26.3,26.83,26.63,27.22,27.41,27.47,26.59,26.48,26.23,26.23,25.78,25.43
1909,26.29,25.88,26.72,27.09,27.5,26.59,26.22,25.9,25.9,25.49,25.15,25.51
1910,25.65,26.12,26.46,26.59,26.46,26.65,26.35,25.98,25.46,25.8,26.13,25.95
1911,26.01,26.18,26.44,26.66,26.82,27.05,27.01,26.59,26.97,26.93,27.5,27.55
1912,28.13,27.59,27.95,28.35,27.87,27.44,27.12,26.48,26.85,26.6,26.82,26.1
1913,26.38,26.94,27.42,27,27.58,27.53,27.08,26.79,26.8,26.76,27.45,27.43
1914,27.28,27.56,27.58,28.46,27.87,27.77,27.75,27.8,27.43,26.99,26.96,27.27
1915,27.46,27.41,27.75,28.24,28.38,28.78,27.29,26.93,26.92,26.97,26.51,26.36
1916,26.46,26.16,26.72,27.14,27.64,27.32,26.12,25.39,25.39,25.37,24.93,24.95
1917,25.02,25.56,26.62,27.48,27.57,27.65,27.18,27.03,26.73,26.77,26.23,25.87
1918,25.74,25.94,26.3,27.21,27.7,28.06,27.15,27,27.16,27.66,27.89,27.89
1919,28.18,28,28.16,28.46,28.49,28.29,27.63,27.5,27.26,26.87,26.29,26.93
1920,27.22,27.37,27.79,27.61,27.66,27.98,27.37,27.01,27.02,27.22,26.57,26.57
1921,27.01,26.25,25.84,27.22,26.94,27.47,26.95,26.59,26.58,26.77,25.62,26.09
1922,26.04,26.69,27.33,27.23,28.09,27.25,26.78,26.09,26.38,26.48,26.34,26.06
1923,26.17,26,26.41,27.22,27.62,27.54,27.03,27.07,27.4,27.52,27.52,27.6
1924,27.04,27.39,27.65,27.75,27.02,27.02,26.25,26.09,25.89,26.28,25.56,25.93
1925,25.55,26.29,26.73,27.25,27.47,27.51,27.73,27.55,27.52,27.58,27.66,28.19
1926,28.1,28.06,28.44,28.78,28.69,28.29,27.86,27.03,26.68,26.34,26.38,26.36
1927,26.68,27,27.08,27.5,27.28,27.54,26.92,26.78,26.6,27,26.61,26.84
1928,27.05,26.97,27.01,27.55,27.83,27.43,27.25,26.59,26.62,26.61,26.49,26.56
1929,26.43,26.69,27.11,27.62,27.7,27.81,27.21,26.98,27.05,27.13,26.84,27.22
1930,26.93,27.15,27.55,28.18,27.83,27.95,27.86,27.56,28.04,27.87,28.44,28
1931,28.07,28.1,28.44,28.73,28.49,28.16,27.63,27.02,26.33,26.51,26.38,26.31
1932,26.16,26.57,27.51,28.02,28.14,27.87,27.11,26.97,26.77,26.75,26.61,26.18
1933,26.36,26.68,27.05,27.78,27.46,26.83,26.56,25.93,25.98,25.63,25.59,25.38
1934,25.64,25.89,26.31,27.35,27.37,27.35,26.8,26.55,26.23,26.48,26.54,26.34
1935,26.26,26.57,26.98,27.45,27.32,27.28,26.58,26.93,26.83,27.01,26.94,26.55
1936,27.32,27.25,27.26,28.06,27.8,27.33,26.88,26.55,26.65,27.12,26.62,27.22
1937,26.27,27.06,27.51,27.98,27.44,27.39,27.32,26.67,26.93,26.63,26.87,26.8
1938,26.37,26.99,27.2,27.86,27.53,26.8,26.24,26.07,26.47,25.98,25.93,25.79
1939,25.91,25.81,26.41,27.5,27.61,27.74,27.48,26.94,27.19,26.27,26.98,26.64
1940,27.76,28.14,28.44,28.57,28.21,28.24,27.43,27.63,26.8,27.06,27.35,27.98
1941,27.95,28.11,28.67,29.13,29.18,28.57,27.95,27.66,27.43,27.72,27.83,27.86
1942,27.19,27.29,27.51,28.34,27.76,27.17,26.67,25.92,25.58,25.41,25.15,25.35
1943,25.38,25.58,26.16,27.17,27.51,27.58,27.13,26.93,26.52,26.29,26.16,26.17
1944,26.15,26.92,27.05,27.88,28,27.72,27.3,26.88,26.44,26.51,26.31,26.33
1945,26.22,26.29,26.47,27.01,27.41,27.09,26.62,26.03,25.93,25.87,26.23,26.05
1946,26.14,26.53,26.9,27.29,27.47,27.83,27.26,26.36,26.56,26.73,26.47,26.61
1947,26.97,26.63,27.54,27.7,27.32,27.75,26.83,26.51,25.7,25.92,25.93,26.77
1948,26.63,27.13,27.89,28.02,28.17,27.75,27.16,26.85,26.73,26.06,26.35,26.96
1949,26.12,27.02,26.7,27.96,27.79,26.97,26.84,26.56,26.1,26.01,25.33,25.39
1950,25.53,25.26,26.18,26.86,26.56,26.82,26.14,26.24,25.65,25.9,25.27,25.55
1951,25.45,26.02,26.48,27.6,27.77,27.6,27.88,27.77,27.42,27.52,27.44,27.3
1952,26.97,27,27.3,28.18,27.48,27.03,26.63,26.45,26.4,26.7,26.33,26.04
1953,26.94,27,27.48,28.54,28.21,28.1,27.42,26.91,27.42,26.84,26.96,26.74
1954,26.97,26.98,27.27,27.45,27.34,26.88,26.2,25.8,25.72,25.82,25.49,25.79
1955,25.92,25.98,26.46,26.82,26.64,26.49,25.91,25.96,25.42,25.14,24.75,25.07
1956,25.35,25.79,26.32,26.99,27.28,26.85,26.28,26.06,25.84,26.04,25.64,26.01
1957,26.02,26.52,27.34,28.19,28.31,28.22,27.91,27.66,27.28,27.48,27.74,27.76
1958,28.12,28.16,28.25,28.08,28.19,27.99,27.26,27.12,26.44,26.7,26.71,26.89
1959,27.01,27.26,27.52,28.04,27.85,27.36,26.95,26.47,26.22,26.84,26.48,26.54
1960,26.6,26.52,27.17,27.78,27.92,27.48,26.98,26.87,26.79,26.67,26.27,26.6
1961,26.43,26.8,27.16,27.9,27.86,27.79,26.9,26.62,26.23,26.02,26.46,26.3
1962,26.33,26.6,26.85,27.45,27.45,27.47,26.92,26.74,26.19,26.41,26.22,26.09
1963,26.26,26.5,27.2,27.71,27.86,27.81,27.95,27.78,27.4,27.57,27.4,27.63
1964,27.33,27.31,27.1,27.24,27.13,26.81,26.58,26.11,25.82,25.73,25.55,25.52
1965,26.01,26.41,26.92,27.68,28.05,28.14,28.03,28.12,28.01,28.34,28.2,28.04
1966,27.71,27.59,28.08,28.31,27.81,27.82,27.45,26.77,26.7,26.69,26.28,26.32
1967,26.02,26.2,26.79,27.24,27.63,27.56,27.12,26.57,26.17,26.35,26.32,26.24
1968,25.98,26.02,26.5,27.3,27.43,27.87,27.54,27.2,26.8,27.05,27.42,27.35
1969,27.48,27.79,27.86,28.1,28.25,27.95,27.32,27.39,27.22,27.39,27.4,27.27
1970,27.13,27.12,27.52,27.95,27.87,27.38,26.25,25.92,25.97,26.08,25.81,25.47
1971,25.11,25.48,25.96,26.8,27.04,26.91,26.59,26.22,26,25.95,25.8,25.69
1972,26,26.55,27,27.98,28.19,28.35,28.06,28.18,27.94,28.5,28.53,28.78
1973,28.18,27.84,27.83,27.7,27.3,26.83,26.08,25.66,25.35,25.15,24.58,24.41
1974,24.56,25.26,25.82,26.77,27.07,26.99,26.58,26.56,26.4,25.98,25.7,25.73
1975,26.21,26.43,26.66,27.18,26.87,26.43,25.99,25.72,25.31,25.26,25.19,24.95
1976,24.78,25.71,26.58,27.35,27.37,27.69,27.38,27.18,27.32,27.59,27.54,27.23
1977,27.42,27.31,27.65,27.52,27.84,28.05,27.67,27.13,27.19,27.62,27.69,27.67
1978,27.3,27.27,27.32,27.4,27.37,27.23,26.75,26.26,26.15,26.39,26.5,26.66
1979,26.63,26.86,27.38,27.94,27.77,27.72,27.02,27.09,27.23,27.05,27,27.28
1980,27.13,27.09,27.35,27.97,28,28.05,27.25,26.65,26.63,26.63,26.75,26.94
1981,26.12,26.31,27.24,27.6,27.76,27.54,26.79,26.7,26.68,26.7,26.39,26.65
1982,26.54,26.64,27.24,28.01,28.51,28.61,27.86,27.8,28.14,28.73,28.72,28.92
1983,29.01,28.98,28.95,28.89,28.99,28.31,27.11,26.75,26.26,25.7,25.52,25.64
1984,25.78,26.23,26.78,27.17,27.22,26.79,26.82,26.47,26.4,25.9,25.48,25.05
1985,25.69,25.85,26.3,26.79,26.97,26.93,26.62,26.38,26.18,26.09,26.22,26.19
1986,25.79,26.12,26.75,27.36,27.39,27.61,27.38,27.11,27.34,27.63,27.7,27.56
1987,27.77,27.94,28.5,28.66,28.77,28.92,28.56,28.36,28.28,28.1,27.94,27.64
1988,27.27,27.11,27.54,27.28,26.82,26.23,25.69,25.43,25.42,24.65,24.48,24.6
1989,24.63,25.39,25.93,26.66,27.06,27.04,26.76,26.29,26.37,26.33,26.36,26.46
1990,26.6,27.12,27.46,28.03,28.19,27.69,27.37,27.05,26.87,26.86,26.73,26.9
1991,27.09,27.08,27.36,27.98,28.3,28.34,27.84,27.3,26.98,27.64,27.79,28.2
1992,28.19,28.39,28.76,29.18,29.13,28.22,27.5,26.73,26.61,26.39,26.51,26.63
1993,26.86,27.18,27.73,28.68,28.79,28.33,27.55,27.04,27.01,27.09,26.94,26.77
1994,26.61,26.6,27.19,27.8,28,27.96,27.38,27.4,27.15,27.63,27.79,27.8
1995,27.68,27.64,27.75,28.04,27.89,27.77,27.26,26.5,26.18,26.01,25.87,25.86
1996,25.93,26.1,26.78,27.43,27.46,27.57,27.08,26.58,26.41,26.46,26.35,26.16
1997,26.15,26.53,27.19,28.11,28.74,28.84,28.83,28.81,28.85,29.02,29.08,28.89
1998,29,28.84,28.75,28.67,28.55,27.3,26.49,26.04,25.93,25.54,25.43,25.08
1999,25.05,25.35,26.34,26.96,26.99,26.74,26.39,25.89,25.91,25.7,25.24,25.04
2000,24.79,25.23,26,26.97,27.07,26.93,26.65,26.52,26.36,26.18,25.91,25.67
2001,25.7,26.13,26.78,27.47,27.57,27.58,27.24,26.8,26.47,26.47,26.37,26.13
2002,26.44,26.76,27.36,27.91,28.07,28.37,27.8,27.57,27.57,27.89,28.06,28
2003,27.56,27.4,27.74,27.74,27.34,27.5,27.37,26.92,26.9,27.19,27.05,26.91
2004,26.84,26.93,27.16,27.83,27.96,27.82,27.64,27.54,27.42,27.46,27.27,27.3
2005,27.14,27.02,27.54,28.05,28.16,27.91,27.22,26.83,26.67,26.59,26.21,25.83
2006,25.6,26.05,26.53,27.47,27.76,27.78,27.25,27.25,27.38,27.49,27.64,27.69
2007,27.17,26.88,27.11,27.61,27.47,27.52,26.86,26.31,25.71,25.33,25.07,24.98
2008,24.79,25.07,26.09,26.88,27.22,27.24,27.19,26.83,26.47,26.43,26.29,25.69
2009,25.58,26.05,26.54,27.52,28.04,28.17,27.91,27.49,27.43,27.69,28.15,28.4
2010,28,27.94,28.33,28.33,27.72,27.07,26.34,25.55,25.19,25.08,25.08,24.95
2011,24.88,25.5,26.27,27.03,27.34,27.43,27,26.22,25.99,25.81,25.56,25.54
2012,25.65,26.15,26.78,27.48,27.69,27.82,27.66,27.54,27.19,26.96,26.98,26.45
2013,26.16,26.36,27.12,27.69,27.59,27.36,26.94,26.59,26.66,26.49,26.64,26.5
2014,26.16,26.31,27.19,28.05,28.32,28.16,27.36,27.02,27.12,27.22,27.54,27.36
2015,27.17,27.34,27.73,28.67,28.9,28.96,28.78,28.75,28.76,28.94,29.23,29.14
2016,29.14,28.87,28.86,28.82,28.32,27.75,26.97,26.4,26.29,25.99,26.02,26.07
2017,26.24,26.75,27.17,27.99,28.17,27.91,27.44,26.69,26.2,26.21,-99.99,-99.99