Year,Value,NumPoints
1900,0.251,1288
1901,0.00220634,1306
1902,0.0194921,1312
1903,-0.304523,1317
1904,-0.511231,1338
1905,-0.044472,1344
1906,-0.0709511,1344
1907,-0.72918,1347
1908,-0.000872364,1355
1909,-0.372564,1346
1910,-0.347941,1351
1911,-0.294698,1373
1912,-0.358442,1378
1913,-0.224686,1377
1914,-0.223448,1379
1915,-0.0574196,1379
1916,-0.334211,1379
1917,-0.862547,1378
1918,-0.942795,1377
1919,-0.124368,1374
1920,-0.58137,1379
1921,-0.117406,1383
1922,-0.350847,1385
1923,-0.433133,1389
1924,-0.268878,1394
1925,-0.304493,1394
1926,0.109928,1416
1927,-0.188804,1419
1928,-0.109393,1422
1929,-0.103112,1423
1930,0.00419908,1427
1931,0.314429,1445
1932,0.19717,1446
1933,-0.130014,1447
1934,-0.125457,1445
1935,-0.0484828,1431
1936,-0.16003,1439
1937,0.0100153,1447
1938,0.156495,1447
1939,0.187783,1447
1940,0.388517,1447
1941,0.320323,1447
1942,0.258188,1447
1943,-0.0775178,1446
1944,0.274919,1448
1945,0.20671,1456
1946,0.0853103,1474
1947,0.0519472,1480
1948,0.054466,1480
1949,-0.108785,1477
1950,-0.224704,1474
1951,-0.168266,1475
1952,-0.0195872,1474
1953,0.422248,1469
1954,0.0841946,1471
1955,0.07524,1539
1956,-0.438973,1585
1957,-0.0349821,1872
1958,0.304293,2010
1959,-0.0172189,2010
1960,-0.00781798,2010
1961,0.129127,2010
1962,-0.189216,2005
1963,0.219809,2010
1964,-0.0247226,2010
1965,-0.290799,2010
1966,0.0276409,2010
1967,-0.113899,2010
1968,-0.161783,2010
1969,0.137313,1971
1970,0.132726,1973
1971,-0.229393,1964
1972,-0.291233,1973
1973,0.056319,1965
1974,-0.125279,1965
1975,-0.133715,1968
1976,-0.0612358,1963
1977,0.347723,1965
1978,-0.00232553,1964
1979,-0.150932,1964
1980,0.486745,1964
1981,0.592087,1965
1982,0.0447484,1965
1983,0.351335,1965
1984,0.154555,1968
1985,0.145789,1968
1986,0.258206,1975
1987,0.531555,1983
1988,0.674186,1975
1989,0.238441,1970
1990,0.441093,1978
1991,0.521576,1976
1992,0.289427,1997
1993,0.185193,1978
1994,0.358164,1993
1995,0.649882,1996
1996,0.386419,1983
1997,0.399714,1996
1998,1.24714,2011
1999,0.74841,1997
2000,0.767021,1999
2001,0.697719,1983
2002,0.858134,1983
2003,0.921421,1983
2004,0.657542,1983
2005,0.993414,1983
2006,1.18273,1983
2007,0.924609,2007
2008,0.612728,1994
2009,0.660656,2011
2010,1.21556,2007
2011,0.891141,2003
2012,1.23931,2007
2013,0.848133,2008
2014,0.722541,2011
2015,1.0829,2011
2016,1.5812,2011
2017,1.40158,2011
2018,1.01708,2011
2019,1.09303,2011
2020,1.26705,2011
2021,1.245,2011
2022,1.20578,2007