year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0091,0.0,1.02e-06,7.47e-08
1851,0.00958,0.0,1.07e-06,7.87e-08
1852,0.0101,0.0,1.13e-06,8.29e-08
1853,0.0106,0.0,1.19e-06,8.75e-08
1854,0.0112,0.0,1.25e-06,9.23e-08
1855,0.011800000000000001,0.0,1.32e-06,9.74e-08
1856,0.0125,0.0,1.39e-06,1.03e-07
1857,0.0132,0.0,1.47e-06,1.08e-07
1858,0.013900000000000001,0.0,1.55e-06,1.14e-07
1859,0.0146,0.0,1.6299999999999999e-06,1.2000000000000002e-07
1860,0.015300000000000001,0.0,1.71e-06,1.26e-07
1861,0.0161,0.0,1.8e-06,1.3200000000000002e-07
1862,0.0169,0.0,1.89e-06,1.39e-07
1863,0.0178,0.0,1.98e-06,1.46e-07
1864,0.018600000000000002,0.0,2.08e-06,1.53e-07
1865,0.019600000000000003,0.0,2.18e-06,1.61e-07
1866,0.0205,0.0,2.29e-06,1.69e-07
1867,0.0215,0.0,2.4e-06,1.7699999999999998e-07
1868,0.022600000000000002,0.0,2.52e-06,1.86e-07
1869,0.0237,0.0,2.64e-06,1.9499999999999999e-07
1870,0.0248,0.0,2.7699999999999997e-06,2.04e-07
1871,0.026,0.0,2.8999999999999998e-06,2.14e-07
1872,0.0273,0.0,3.05e-06,2.24e-07
1873,0.0287,0.0,3.2000000000000003e-06,2.36e-07
1874,0.030100000000000002,0.0,3.36e-06,2.47e-07
1875,0.0316,0.0,3.53e-06,2.6e-07
1876,0.033100000000000004,0.0,3.7e-06,2.72e-07
1877,0.0347,0.0,3.88e-06,2.8499999999999997e-07
1878,0.0364,0.0,4.06e-06,2.99e-07
1879,0.0381,0.0,4.25e-06,3.13e-07
1880,0.039799999999999995,0.0,4.440000000000001e-06,3.27e-07
1881,0.0415,0.0,4.63e-06,3.41e-07
1882,0.0433,0.0,4.83e-06,3.5599999999999996e-07
1883,0.0451,0.0,5.04e-06,3.7100000000000003e-07
1884,0.047,0.0,5.2500000000000006e-06,3.86e-07
1885,0.049,0.0,5.47e-06,4.03e-07
1886,0.051,0.0,5.69e-06,4.19e-07
1887,0.0531,0.0,5.93e-06,4.37e-07
1888,0.055299999999999995,0.0,6.17e-06,4.55e-07
1889,0.0576,0.0,6.43e-06,4.73e-07
1890,0.0631,0.0,7.04e-06,5.180000000000001e-07
1891,0.0654,0.0,7.3e-06,5.38e-07
1892,0.068,0.0,7.59e-06,5.590000000000001e-07
1893,0.0707,0.0,7.9e-06,5.81e-07
1894,0.0737,0.0,8.22e-06,6.049999999999999e-07
1895,0.0767,0.0,8.57e-06,6.310000000000001e-07
1896,0.08,0.0,8.930000000000001e-06,6.57e-07
1897,0.0834,0.0,9.299999999999999e-06,6.85e-07
1898,0.0869,0.0,9.69e-06,7.14e-07
1899,0.0905,0.0,1.01e-05,7.429999999999999e-07
1900,0.0942,0.0,1.0500000000000001e-05,7.739999999999999e-07
1901,0.0983,1.03e-07,1.1e-05,8.08e-07
1902,0.103,4.04e-07,1.15e-05,8.47e-07
1903,0.108,8.96e-07,1.21e-05,8.890000000000001e-07
1904,0.114,1.57e-06,1.2699999999999999e-05,9.33e-07
1905,0.119,2.41e-06,1.33e-05,9.79e-07
1906,0.125,3.42e-06,1.3899999999999999e-05,1.02e-06
1907,0.13,4.58e-06,1.45e-05,1.07e-06
1908,0.135,5.88e-06,1.4999999999999999e-05,1.1100000000000002e-06
1909,0.139,7.3099999999999995e-06,1.55e-05,1.1399999999999999e-06
1910,0.142,8.880000000000001e-06,1.59e-05,1.17e-06
1911,0.145,1.17e-05,1.62e-05,1.19e-06
1912,0.148,1.67e-05,1.65e-05,1.22e-06
1913,0.151,2.36e-05,1.6899999999999997e-05,1.24e-06
1914,0.154,3.2099999999999994e-05,1.72e-05,1.26e-06
1915,0.156,4.2000000000000004e-05,1.74e-05,1.28e-06
1916,0.158,5.2900000000000005e-05,1.77e-05,1.2999999999999998e-06
1917,0.16,6.469999999999999e-05,1.7899999999999998e-05,1.32e-06
1918,0.162,7.7e-05,1.8100000000000003e-05,1.33e-06
1919,0.164,8.96e-05,1.83e-05,1.35e-06
1920,0.165,0.000102,1.84e-05,1.35e-06
1921,0.166,0.000115,1.85e-05,1.3600000000000001e-06
1922,0.166,0.000129,1.8599999999999998e-05,1.37e-06
1923,0.167,0.000145,1.8599999999999998e-05,1.37e-06
1924,0.167,0.000162,1.87e-05,1.38e-06
1925,0.168,0.00017999999999999998,1.87e-05,1.38e-06
1926,0.168,0.000199,1.88e-05,1.38e-06
1927,0.169,0.00022,1.88e-05,1.39e-06
1928,0.169,0.000241,1.89e-05,1.39e-06
1929,0.17,0.000264,1.9e-05,1.4e-06
1930,0.171,0.000289,1.91e-05,1.41e-06
1931,0.173,0.000319,1.93e-05,1.42e-06
1932,0.175,0.000359,1.96e-05,1.4400000000000002e-06
1933,0.179,0.000406,2e-05,1.47e-06
1934,0.183,0.000456,2.04e-05,1.5100000000000002e-06
1935,0.188,0.000506,2.1000000000000002e-05,1.55e-06
1936,0.194,0.000554,2.16e-05,1.59e-06
1937,0.199,0.000597,2.23e-05,1.64e-06
1938,0.206,0.000631,2.29e-05,1.6900000000000001e-06
1939,0.212,0.000653,2.36e-05,1.74e-06
1940,0.218,0.000662,2.44e-05,1.79e-06
1941,0.225,0.0006590000000000001,2.51e-05,1.85e-06
1942,0.231,0.000652,2.58e-05,1.9e-06
1943,0.238,0.000643,2.65e-05,1.95e-06
1944,0.245,0.000631,2.7400000000000002e-05,2.0100000000000002e-06
1945,0.253,0.000618,2.83e-05,2.08e-06
1946,0.263,0.000605,2.93e-05,2.16e-06
1947,0.274,0.000593,3.06e-05,2.2499999999999996e-06
1948,0.287,0.000583,3.2e-05,2.3600000000000003e-06
1949,0.302,0.0005769999999999999,3.37e-05,2.48e-06
1950,0.289,0.000574,3.23e-05,2.38e-06
1951,0.297,0.0009130000000000001,3.31e-05,2.44e-06
1952,0.304,0.00183,3.4e-05,2.5e-06
1953,0.308,0.00318,3.44e-05,2.5300000000000003e-06
1954,0.497,0.00483,5.55e-05,4.09e-06
1955,0.597,0.00662,6.67e-05,4.9100000000000004e-06
1956,0.698,0.00841,7.79e-05,5.73e-06
1957,0.772,0.01,8.609999999999999e-05,6.34e-06
1958,1.15,0.0114,0.000128,9.42e-06
1959,1.36,0.0123,0.000152,1.12e-05
1960,1.31,0.0127,0.000146,1.08e-05
1961,1.41,0.0126,0.000157,1.1599999999999999e-05
1962,2.0,0.0125,0.000223,1.6400000000000002e-05
1963,1.62,0.0124,0.00018099999999999998,1.33e-05
1964,2.07,0.0123,0.000231,1.7e-05
1965,1.98,0.0121,0.000221,1.63e-05
1966,1.97,0.0119,0.00022,1.62e-05
1967,2.15,0.037200000000000004,0.00023999999999999998,1.77e-05
1968,2.48,0.048,0.00027600000000000004,2.03e-05
1969,2.68,0.0479,0.000299,2.2e-05
1970,2.83,0.0608,0.00027800000000000004,2.13e-05
1971,3.02,0.06,0.00029099999999999997,0.000128
1972,3.25,0.0808,0.000307,0.000149
1973,3.45,0.0835,0.000324,0.000319
1974,3.71,0.0923,0.000337,0.000339
1975,4.03,0.0882,0.00034899999999999997,0.000179
1976,4.37,0.0849,0.000366,0.000963
1977,4.98,0.0584,0.000383,0.0008259999999999999
1978,5.77,0.0876,0.00040100000000000004,0.000996
1979,6.28,0.0917,0.000419,0.00113
1980,6.87,0.0878,0.000434,0.0014399999999999999
1981,6.62,0.0996,0.000357,0.00248
1982,6.66,0.152,0.000378,0.00259
1983,7.0,0.07809999999999999,0.000397,0.00318
1984,6.46,0.069,0.000417,0.00318
1985,9.07,0.07940000000000001,0.000438,0.00373
1986,9.57,0.172,0.00046600000000000005,0.00383
1987,10.4,0.205,0.000486,0.0039900000000000005
1988,11.5,0.192,0.000509,0.0032400000000000003
1989,10.4,0.186,0.0005290000000000001,0.0029300000000000003
1990,9.89,0.159,0.000571,0.00264
1991,12.2,0.105,0.000524,0.00294
1992,11.1,0.0746,0.00051,0.0033399999999999997
1993,9.35,0.0499,0.000508,0.000305
1994,8.0,0.052399999999999995,0.000515,0.000306
1995,7.96,0.0608,0.000566,0.00062
1996,8.09,0.0601,0.0005729999999999999,0.000625
1997,7.74,0.0635,0.000584,0.00161
1998,7.74,0.061399999999999996,0.000594,0.00132
1999,7.59,0.061,0.0006039999999999999,0.001
2000,7.54,0.0562,0.00061,0.00101
2001,7.94,0.048,0.000617,0.00103
2002,8.31,0.08,0.000631,0.00138
2003,8.05,0.0838,0.0006490000000000001,0.0014
2004,8.63,0.07840000000000001,0.0006810000000000001,0.0014
2005,8.61,0.09620000000000001,0.000703,0.0024500000000000004
2006,9.44,0.112,0.000716,0.00415
2007,12.1,0.136,0.000735,0.0038
2008,12.0,0.148,0.000754,0.00197
2009,13.0,0.124,0.000773,0.00039400000000000004
2010,13.7,0.196,0.000791,0.000615
2011,21.3,0.183,0.0008100000000000001,0.0011200000000000001
2012,26.1,0.18,0.000828,0.00133
2013,38.7,0.12,0.000828,0.0017800000000000001
2014,20.7,0.206,0.000828,0.0018
2015,22.0,0.206,0.000828,0.00182
2016,24.0,0.214,0.0008359999999999999,0.00184
2017,24.7,0.214,0.000843,0.00186
2018,35.0,0.214,0.000851,0.00188