Year,Value,NumPoints
1851,-0.443549,44095
1852,-0.442951,40458
1853,-0.361525,44485
1854,-0.38721,46008
1855,-0.175592,45248
1856,-0.313719,46186
1857,-0.605758,47066
1858,-0.417593,46846
1859,-0.295082,46616
1860,-0.444591,42596
1861,-0.721244,37702
1862,-0.619401,37729
1863,-0.231109,36049
1864,-0.475487,35656
1865,-0.359126,34579
1866,-0.354527,33421
1867,-0.35463,34262
1868,-0.363472,35295
1869,-0.220202,44941
1870,-0.305761,47807
1871,-0.323311,45719
1872,-0.341024,45594
1873,-0.279011,48893
1874,-0.380177,47975
1875,-0.396728,50533
1876,-0.393174,49232
1877,-0.12737,49666
1878,0.218099,51598
1879,-0.199382,52799
1880,-0.327151,50277
1881,-0.102006,51236
1882,-0.12812,52892
1883,-0.300588,54365
1884,-0.417747,55033
1885,-0.512795,54986
1886,-0.530983,55181
1887,-0.602877,55092
1888,-0.426894,55292
1889,-0.00683323,53677
1890,-0.492654,53740
1891,-0.397431,51867
1892,-0.371289,53742
1893,-0.522136,53612
1894,-0.4656,52954
1895,-0.42679,52080
1896,-0.35362,52156
1897,-0.173428,52380
1898,-0.429143,54672
1899,-0.340586,55323
1900,-0.113067,55065
1901,-0.133274,55257
1902,-0.295781,55493
1903,-0.3196,56351
1904,-0.544806,56606
1905,-0.376036,56136
1906,-0.227936,56058
1907,-0.432468,56171
1908,-0.444145,56401
1909,-0.58163,56237
1910,-0.472852,56338
1911,-0.612943,56347
1912,-0.301962,56681
1913,-0.43994,56470
1914,-0.251838,56290
1915,-0.078338,55532
1916,-0.26364,55349
1917,-0.618834,53768
1918,-0.474287,52889
1919,-0.202231,50493
1920,-0.237389,54502
1921,-0.236982,54746
1922,-0.259599,56440
1923,-0.358658,55640
1924,-0.186551,55799
1925,-0.338415,55645
1926,0.00870186,56094
1927,-0.246933,56060
1928,-0.107479,55610
1929,-0.406953,55776
1930,-0.201134,55816
1931,-0.142199,56221
1932,-0.0399543,56157
1933,-0.257803,56638
1934,-0.251023,56793
1935,-0.20091,56299
1936,-0.252936,56963
1937,-0.0346611,56598
1938,0.0531035,56907
1939,-0.0482621,57006
1940,0.112988,55243
1941,0.0567011,52100
1942,0.0854249,52928
1943,0.0333424,52437
1944,0.200473,51113
1945,0.0400299,50625
1946,0.0325575,54791
1947,0.0890209,57909
1948,-0.0392888,58023
1949,-0.0488373,57593
1950,-0.191299,58739
1951,-0.170918,61453
1952,0.093527,57954
1953,0.174616,57344
1954,-0.0848707,58924
1955,-0.121879,61603
1956,-0.200921,64460
1957,-0.00557159,64550
1958,0.158995,64605
1959,0.0946211,64216
1960,-0.0837911,64711
1961,0.144255,64555
1962,0.076745,64518
1963,-0.0294211,64632
1964,-0.202444,64642
1965,-0.117166,64749
1966,-0.0671425,64755
1967,-0.00258839,64755
1968,-0.059308,64787
1969,0.0719337,64798
1970,0.0938229,64745
1971,-0.118867,64772
1972,-0.0940617,64764
1973,0.229816,64778
1974,-0.186899,64706
1975,0.0642081,64737
1976,-0.206759,64656
1977,0.190026,64755
1978,0.077869,64769
1979,0.0236338,64800
1980,0.302909,64800
1981,0.310228,64797
1982,0.00833097,64800
1983,0.313901,64800
1984,0.157943,64800
1985,0.0752465,64800
1986,0.201764,64800
1987,0.207846,64800
1988,0.370813,64800
1989,0.131302,64800
1990,0.438523,64800
1991,0.362329,64800
1992,0.326846,64795
1993,0.268807,64799
1994,0.194614,64790
1995,0.414331,64799
1996,0.312348,64798
1997,0.350202,64798
1998,0.646135,64800
1999,0.359903,64799
2000,0.422156,64797
2001,0.481938,64798
2002,0.680797,64800
2003,0.571598,64800
2004,0.529909,64797
2005,0.667359,64798
2006,0.588609,64799
2007,0.7292,64800
2008,0.420264,64797
2009,0.54446,64799
2010,0.805909,64800
2011,0.542201,64799
2012,0.536091,64798
2013,0.577083,64799
2014,0.679006,64800
2015,0.767812,64799
2016,1.11308,64797
2017,0.988384,64797
2018,0.794147,64797
2019,0.919111,64799
2020,1.08029,64800