year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000305,3.15e-05,1.5799999999999999e-07,1.7099999999999998e-08
1851,0.000321,3.32e-05,1.66e-07,1.8e-08
1852,0.000339,3.5000000000000004e-05,1.75e-07,1.9e-08
1853,0.000357,3.69e-05,1.85e-07,2e-08
1854,0.000377,3.89e-05,1.9499999999999999e-07,2.11e-08
1855,0.000397,4.1e-05,2.06e-07,2.23e-08
1856,0.000419,4.3299999999999995e-05,2.17e-07,2.35e-08
1857,0.000442,4.5600000000000004e-05,2.29e-07,2.48e-08
1858,0.000739,7.64e-05,3.83e-07,4.15e-08
1859,0.0010400000000000001,0.000107,5.36e-07,5.8100000000000004e-08
1860,0.0015300000000000001,0.000158,7.94e-07,8.610000000000001e-08
1861,0.00214,0.000221,1.1100000000000002e-06,1.2000000000000002e-07
1862,0.00237,0.000244,1.22e-06,1.33e-07
1863,0.00237,0.000244,1.22e-06,1.33e-07
1864,0.0028799999999999997,0.000298,1.49e-06,1.62e-07
1865,0.0035099999999999997,0.000363,1.82e-06,1.97e-07
1866,0.00348,0.000359,1.8e-06,1.9499999999999999e-07
1867,0.0034,0.00035099999999999997,1.76e-06,1.91e-07
1868,0.0038799999999999998,0.00040100000000000004,2.0100000000000002e-06,2.1800000000000002e-07
1869,0.00375,0.000388,1.94e-06,2.1e-07
1870,0.00453,0.00046800000000000005,2.34e-06,2.5399999999999997e-07
1871,0.0056,0.000578,2.8999999999999998e-06,3.14e-07
1872,0.00643,0.000664,3.33e-06,3.61e-07
1873,0.0062699999999999995,0.000647,3.24e-06,3.52e-07
1874,0.005900000000000001,0.000609,3.05e-06,3.3100000000000004e-07
1875,0.00647,0.0006680000000000001,3.35e-06,3.63e-07
1876,0.00752,0.000777,3.89e-06,4.22e-07
1877,0.00715,0.000739,3.7e-06,4.01e-07
1878,0.006860000000000001,0.000708,3.5500000000000003e-06,3.8499999999999997e-07
1879,0.0073,0.000754,3.78e-06,4.1e-07
1880,0.00843,0.000871,4.36e-06,4.73e-07
1881,0.00789,0.000815,4.08e-06,4.43e-07
1882,0.00871,0.0008990000000000001,4.51e-06,4.88e-07
1883,0.00967,0.000998,5e-06,5.42e-07
1884,0.00991,0.00102,5.13e-06,5.56e-07
1885,0.0103,0.00107,5.35e-06,5.8e-07
1886,0.0105,0.00109,5.4400000000000004e-06,5.900000000000001e-07
1887,0.0114,0.0011799999999999998,5.9e-06,6.4e-07
1888,0.0116,0.0012,6.02e-06,6.520000000000001e-07
1889,0.0128,0.00133,6.65e-06,7.21e-07
1890,0.0145,0.00126,7.51e-06,8.140000000000001e-07
1891,0.0178,0.00126,9.19e-06,9.959999999999999e-07
1892,0.0175,0.00126,9.06e-06,9.82e-07
1893,0.0145,0.00127,7.51e-06,8.140000000000001e-07
1894,0.0181,0.00127,9.36e-06,1.01e-06
1895,0.019399999999999997,0.00128,1e-05,1.09e-06
1896,0.0212,0.00128,1.1e-05,1.19e-06
1897,0.0224,0.0012900000000000001,1.1599999999999999e-05,1.26e-06
1898,0.024,0.0012900000000000001,1.24e-05,1.34e-06
1899,0.0258,0.0013,1.34e-05,1.4499999999999999e-06
1900,0.0286,0.0013,1.48e-05,1.61e-06
1901,0.026199999999999998,0.00131,1.35e-05,1.47e-06
1902,0.0264,0.00132,1.3700000000000001e-05,1.48e-06
1903,0.0286,0.00132,1.48e-05,1.61e-06
1904,0.030100000000000002,0.00133,1.56e-05,1.6900000000000001e-06
1905,0.0315,0.00134,1.63e-05,1.77e-06
1906,0.0348,0.00135,1.7999999999999997e-05,1.95e-06
1907,0.0404,0.00136,2.09e-05,2.26e-06
1908,0.0404,0.0013700000000000001,2.09e-05,2.26e-06
1909,0.0407,0.00138,2.11e-05,2.2799999999999998e-06
1910,0.039299999999999995,0.00139,2.03e-05,2.2e-06
1911,0.0434,0.00141,2.2499999999999998e-05,2.44e-06
1912,0.0442,0.0014199999999999998,2.29e-05,2.48e-06
1913,0.046700000000000005,0.0014299999999999998,2.42e-05,2.62e-06
1914,0.0425,0.00145,2.2e-05,2.38e-06
1915,0.045,0.00146,2.33e-05,2.5300000000000003e-06
1916,0.0428,0.00148,2.2100000000000002e-05,2.4e-06
1917,0.0308,0.0015,1.59e-05,1.73e-06
1918,0.029,0.00152,1.4999999999999999e-05,1.6299999999999999e-06
1919,0.0232,0.00155,1.2e-05,1.2999999999999998e-06
1920,0.0365,0.00158,1.89e-05,2.0500000000000003e-06
1921,0.0225,0.00163,1.17e-05,1.26e-06
1922,0.031,0.0017,1.61e-05,1.74e-06
1923,0.038700000000000005,0.0017900000000000001,2e-05,2.17e-06
1924,0.0365,0.00189,1.89e-05,2.0500000000000003e-06
1925,0.038,0.0020099999999999996,1.9699999999999998e-05,2.13e-06
1926,0.0376,0.00214,1.95e-05,2.1099999999999997e-06
1927,0.0434,0.00226,2.24e-05,2.43e-06
1928,0.0436,0.00239,2.2599999999999997e-05,2.45e-06
1929,0.0501,0.0025099999999999996,2.59e-05,2.81e-06
1930,0.046200000000000005,0.00261,2.39e-05,2.5899999999999998e-06
1931,0.048799999999999996,0.00272,2.53e-05,2.74e-06
1932,0.0496,0.00282,2.57e-05,2.78e-06
1933,0.048299999999999996,0.00292,2.5e-05,2.7100000000000003e-06
1934,0.0482,0.00302,2.49e-05,2.7e-06
1935,0.047799999999999995,0.00312,2.47e-05,2.68e-06
1936,0.048799999999999996,0.00322,2.52e-05,2.74e-06
1937,0.0528,0.00332,2.7300000000000003e-05,2.96e-06
1938,0.0512,0.0034100000000000003,2.65e-05,2.87e-06
1939,0.0598,0.0035099999999999997,3.1e-05,3.36e-06
1940,0.040299999999999996,0.0036,2.09e-05,2.26e-06
1941,0.0317,0.00368,1.6400000000000002e-05,1.78e-06
1942,0.028399999999999998,0.00375,1.47e-05,1.59e-06
1943,0.030199999999999998,0.00382,1.56e-05,1.6900000000000001e-06
1944,0.0214,0.0038799999999999998,1.11e-05,1.2e-06
1945,0.00718,0.00394,3.7e-06,4.01e-07
1946,0.027399999999999997,0.00401,1.4200000000000001e-05,1.53e-06
1947,0.0453,0.00408,2.34e-05,2.5400000000000002e-06
1948,0.049,0.00417,2.53e-05,2.75e-06
1949,0.040600000000000004,0.00428,2.1000000000000002e-05,2.2799999999999998e-06
1950,0.049,0.0044,2.53e-05,2.74e-06
1951,0.0588,0.0045899999999999995,3.04e-05,3.3e-06
1952,0.0533,0.004860000000000001,2.75e-05,2.98e-06
1953,0.048299999999999996,0.00522,2.49e-05,2.7e-06
1954,0.0591,0.00564,3.05e-05,3.31e-06
1955,0.0635,0.0061200000000000004,3.2800000000000004e-05,3.56e-06
1956,0.0803,0.00664,4.15e-05,4.49e-06
1957,0.0832,0.00718,4.2999999999999995e-05,4.66e-06
1958,0.07690000000000001,0.00774,3.9699999999999996e-05,4.3e-06
1959,0.0772,0.00831,3.99e-05,4.32e-06
1960,0.091,0.00887,4.7e-05,5.0899999999999995e-06
1961,0.09390000000000001,0.009460000000000001,4.85e-05,5.26e-06
1962,0.113,0.0101,5.82e-05,6.31e-06
1963,0.138,0.0108,7.13e-05,7.73e-06
1964,0.131,0.0116,6.79e-05,7.36e-06
1965,0.143,0.0124,7.4e-05,8.02e-06
1966,0.148,0.0132,7.66e-05,8.31e-06
1967,0.154,0.013900000000000001,7.950000000000001e-05,8.619999999999999e-06
1968,0.171,0.0147,8.840000000000001e-05,9.58e-06
1969,0.181,0.015300000000000001,9.35e-05,1.01e-05
1970,0.191,0.0147,9.44e-05,2.34e-05
1971,0.199,0.0155,9.63e-05,2.75e-05
1972,0.202,0.0165,9.850000000000001e-05,3.1e-05
1973,0.219,0.0167,0.000103,3.52e-05
1974,0.196,0.0158,0.00010499999999999999,2.77e-05
1975,0.188,0.0134,0.000106,3.89e-05
1976,0.195,0.0132,0.00011,4.8899999999999996e-05
1977,0.198,0.013800000000000002,0.000114,6.35e-05
1978,0.204,0.0143,0.000118,7.64e-05
1979,0.191,0.015300000000000001,0.000123,8.71e-05
1980,0.194,0.0162,0.000126,8.82e-05
1981,0.185,0.0162,0.000129,9.09e-05
1982,0.174,0.0155,0.00013000000000000002,8.8e-05
1983,0.192,0.0154,0.000131,0.000101
1984,0.187,0.0154,0.000133,0.000107
1985,0.19,0.0154,0.000135,0.000115
1986,0.202,0.0157,0.00013700000000000002,0.000118
1987,0.191,0.0161,0.00013800000000000002,0.000128
1988,0.193,0.0171,0.00014000000000000001,0.00013000000000000002
1989,0.185,0.0181,0.00014299999999999998,0.000134
1990,0.194,0.0178,0.000146,0.000125
1991,0.192,0.016399999999999998,0.00013900000000000002,0.000124
1992,0.194,0.0154,0.000132,0.000121
1993,0.202,0.0143,0.000124,0.000121
1994,0.196,0.0148,0.000115,0.00014099999999999998
1995,0.185,0.014199999999999999,0.000108,0.000129
1996,0.187,0.013300000000000001,0.000101,0.00013700000000000002
1997,0.211,0.0126,9.41e-05,0.00013800000000000002
1998,0.214,0.0126,8.71e-05,0.000136
1999,0.207,0.0126,8.11e-05,0.00013800000000000002
2000,0.194,0.0132,7.4e-05,0.000149
2001,0.205,0.0134,6.610000000000001e-05,0.00014299999999999998
2002,0.206,0.013,5.84e-05,0.00013000000000000002
2003,0.206,0.013,5.66e-05,0.000134
2004,0.205,0.013900000000000001,5.52e-05,0.000134
2005,0.207,0.0145,5.38e-05,0.00013000000000000002
2006,0.213,0.014199999999999999,5.37e-05,0.00011999999999999999
2007,0.176,0.0143,5.16e-05,0.00011300000000000001
2008,0.198,0.013900000000000001,5.05e-05,0.00011899999999999999
2009,0.196,0.0134,4.79e-05,0.00010499999999999999
2010,0.164,0.0146,4.68e-05,0.000101
2011,0.158,0.0141,4.57e-05,0.000111
2012,0.164,0.0134,4.53e-05,0.00011
2013,0.178,0.0134,4.45e-05,3.66e-05
2014,0.144,0.013,4.35e-05,3.6400000000000004e-05
2015,0.142,0.0129,4.2999999999999995e-05,3.63e-05
2016,0.144,0.0147,4.22e-05,2.4299999999999998e-05
2017,0.145,0.0152,4.15e-05,1.7100000000000002e-05
2018,0.14,0.015099999999999999,4.07e-05,1.2800000000000001e-05