year,IPC1,IPC2,IPC4,IPC5,IPCMAG
1850,3.89,0.136,2.96,8.99e-17,3.27
1851,3.87,0.135,3.0,0.00555,3.28
1852,4.52,0.163,3.04,0.0111,3.3
1853,4.94,0.181,3.08,0.0166,3.31
1854,6.73,0.257,3.11,0.0222,3.33
1855,5.45,0.201,3.15,0.0277,3.36
1856,5.54,0.205,3.19,0.033299999999999996,3.38
1857,5.05,0.183,3.22,0.038799999999999994,3.41
1858,4.56,0.161,3.26,0.0444,3.43
1859,4.4,0.153,3.3,0.0499,3.46
1860,5.7,0.208,3.33,0.0555,3.49
1861,5.34,0.191,3.36,0.061,3.53
1862,6.64,0.246,3.4,0.0665,3.56
1863,5.09,0.177,3.43,0.0721,3.6
1864,4.44,0.148,3.46,0.07759999999999999,3.64
1865,4.93,0.167,3.49,0.0832,3.68
1866,5.34,0.183,3.53,0.0887,3.72
1867,5.21,0.176,3.56,0.0943,3.77
1868,5.45,0.184,3.59,0.0998,3.82
1869,5.63,0.19,3.63,0.105,3.87
1870,6.25,0.215,3.67,0.111,3.92
1871,6.33,0.216,3.71,0.116,3.98
1872,6.74,0.232,3.76,0.122,4.06
1873,6.6,0.223,3.81,0.128,4.15
1874,6.26,0.206,3.86,0.133,4.25
1875,7.0,0.236,3.91,0.139,4.35
1876,7.85,0.27,3.97,0.144,4.46
1877,8.02,0.274,4.02,0.15,4.56
1878,8.46,0.291,4.08,0.155,4.66
1879,9.04,0.313,4.13,0.161,4.76
1880,9.87,0.346,4.18,0.166,4.84
1881,9.99,0.349,4.23,0.172,4.92
1882,10.2,0.353,4.29,0.177,4.99
1883,11.1,0.391,4.34,0.183,5.07
1884,11.2,0.391,4.39,0.189,5.15
1885,11.6,0.409,4.44,0.194,5.22
1886,11.9,0.417,4.49,0.2,5.3
1887,12.1,0.425,4.55,0.205,5.38
1888,13.3,0.471,4.6,0.211,5.46
1889,13.1,0.46,4.65,0.216,5.54
1890,12.9,0.477,4.73,0.222,4.71
1891,14.6,0.478,4.8,0.227,5.38
1892,14.1,0.48,4.87,0.233,6.01
1893,14.3,0.482,4.95,0.238,6.59
1894,14.6,0.484,5.02,0.244,7.11
1895,14.7,0.487,5.09,0.25,7.57
1896,15.6,0.49,5.16,0.255,7.96
1897,16.3,0.493,5.24,0.261,8.28
1898,16.3,0.496,5.31,0.266,8.51
1899,16.7,0.499,5.39,0.272,8.66
1900,18.1,0.502,5.46,0.277,8.71
1901,17.9,0.505,5.54,0.283,8.66
1902,18.0,0.509,5.61,0.288,8.52
1903,19.1,0.513,5.69,0.294,8.31
1904,20.1,0.518,5.76,0.299,8.06
1905,20.7,0.522,5.84,0.305,7.79
1906,22.3,0.527,5.92,0.311,7.52
1907,22.9,0.532,5.99,0.316,7.27
1908,23.3,0.538,6.07,0.322,7.07
1909,24.4,0.543,6.15,0.327,6.93
1910,25.3,0.548,6.23,0.333,6.88
1911,26.5,0.554,6.32,0.338,6.88
1912,29.4,0.559,6.4,0.344,6.91
1913,31.9,0.565,6.49,0.349,6.94
1914,30.2,0.571,6.58,0.355,6.97
1915,28.8,0.578,6.66,0.36,7.02
1916,26.6,0.585,6.75,0.366,7.07
1917,12.8,0.594,6.84,0.372,7.11
1918,18.6,0.603,6.93,0.377,7.18
1919,26.0,0.614,7.02,0.383,7.25
1920,26.2,0.626,7.12,0.388,7.31
1921,27.3,0.67,7.21,0.394,7.39
1922,31.4,0.768,7.3,0.399,7.49
1923,31.4,0.907,7.4,0.405,7.6
1924,34.9,1.07,7.49,0.41,7.73
1925,38.0,1.26,7.59,0.416,7.87
1926,38.9,1.44,7.69,0.421,8.02
1927,42.6,1.62,7.78,0.427,8.17
1928,42.7,1.78,7.88,0.433,8.32
1929,45.9,2.0,7.98,0.438,8.46
1930,45.5,2.08,8.07,0.444,8.6
1931,49.7,2.1,8.16,0.449,8.75
1932,46.1,2.16,8.24,0.455,8.92
1933,43.2,2.23,8.32,0.46,9.1
1934,43.3,2.27,8.4,0.466,9.28
1935,41.9,2.27,8.47,0.471,9.46
1936,44.5,2.31,8.56,0.477,9.64
1937,48.6,2.37,8.65,0.482,9.79
1938,47.9,2.43,8.76,0.488,9.9
1939,45.3,2.54,8.88,0.494,9.98
1940,38.3,2.37,9.02,0.499,10.0
1941,41.7,2.7,9.24,0.505,10.1
1942,39.2,2.76,9.56,0.51,10.3
1943,39.5,2.85,9.96,0.516,10.6
1944,27.9,2.88,10.4,0.521,11.0
1945,19.1,3.0,10.9,0.527,11.4
1946,35.4,3.21,11.4,0.532,11.9
1947,48.8,3.4,11.9,0.538,12.3
1948,51.3,3.58,12.3,0.543,12.7
1949,54.5,3.74,12.7,0.549,12.9
1950,55.3,3.95,13.0,0.555,13.0
1951,58.9,4.28,13.2,0.56,13.1
1952,58.7,4.73,13.5,0.566,13.2
1953,59.2,5.25,13.7,0.571,13.4
1954,62.4,5.89,13.9,0.577,13.7
1955,65.0,6.6,14.1,0.582,13.9
1956,69.0,7.37,14.2,0.588,14.1
1957,68.4,8.14,14.4,0.593,14.4
1958,70.7,8.91,14.5,0.599,14.6
1959,71.0,9.76,14.6,0.604,14.7
1960,77.3,10.6,14.6,0.61,14.8
1961,79.6,11.4,14.6,0.616,15.6
1962,87.1,12.3,14.6,0.621,16.5
1963,94.9,13.2,14.6,0.627,16.2
1964,100.0,14.6,14.6,0.632,15.9
1965,104.0,15.6,14.7,0.638,16.6
1966,107.0,16.6,14.7,0.643,17.3
1967,110.0,17.7,14.7,0.649,17.7
1968,117.0,18.7,14.7,0.654,18.1
1969,119.0,19.5,14.6,0.66,17.7
1970,147.0,18.5,14.2,0.641,18.1
1971,146.0,19.7,15.5,0.623,17.6
1972,163.0,21.4,15.6,0.673,18.4
1973,172.0,23.3,15.8,0.691,19.8
1974,167.0,25.1,15.9,0.626,21.4
1975,160.0,24.2,16.0,0.626,21.8
1976,177.0,27.0,16.1,0.706,21.5
1977,171.0,26.9,16.2,0.73,21.6
1978,177.0,27.4,16.3,0.709,22.4
1979,195.0,26.9,16.4,0.742,23.3
1980,185.0,26.0,16.4,0.736,24.3
1981,173.0,26.2,16.5,0.739,24.3
1982,141.0,23.8,16.5,0.673,24.3
1983,145.0,23.7,16.5,0.638,25.1
1984,152.0,25.3,16.7,0.644,25.4
1985,155.0,26.0,16.8,0.673,25.0
1986,152.0,25.3,16.8,0.691,24.9
1987,159.0,26.4,16.8,0.691,24.1
1988,153.0,29.1,16.9,0.7,23.0
1989,170.0,28.7,16.8,0.703,23.1
1990,164.0,25.2,16.7,0.715,23.3
1991,172.0,25.8,14.5,0.7,23.5
1992,169.0,25.3,13.8,0.691,23.2
1993,171.0,25.5,13.4,0.685,22.8
1994,172.0,26.6,12.3,0.656,22.6
1995,185.0,25.9,12.3,0.644,22.5
1996,193.0,27.5,13.4,0.662,22.1
1997,185.0,27.0,17.7,0.644,21.4
1998,185.0,28.4,14.0,0.617,20.8
1999,179.0,28.0,12.1,0.59,20.8
2000,179.0,28.8,10.6,0.578,20.0
2001,183.0,23.7,10.1,0.575,19.8
2002,188.0,22.8,9.04,0.572,19.0
2003,188.0,24.3,7.86,0.566,18.6
2004,192.0,24.8,6.37,0.566,18.6
2005,188.0,24.7,8.13,0.563,18.6
2006,186.0,27.4,8.56,0.56,18.4
2007,183.0,27.1,8.57,0.545,18.4
2008,183.0,21.4,7.49,0.519,19.0
2009,179.0,21.7,6.06,0.477,19.1
2010,190.0,22.5,5.17,0.483,19.1
2011,181.0,21.9,4.74,0.462,18.8
2012,177.0,24.0,6.08,0.45,18.9
2013,180.0,21.9,5.3,0.444,19.1
2014,173.0,21.0,4.82,0.417,19.6
2015,180.0,21.0,4.83,0.426,20.4
2016,182.0,19.5,4.66,0.406,20.4
2017,176.0,19.0,4.41,0.393,19.5
2018,172.0,18.4,4.28,0.381,18.7