year,IPC1,IPC2,IPCMAG
1850,0.00663,8.87e-05,1.89e-06
1851,0.00698,9.34e-05,1.99e-06
1852,0.00736,9.850000000000001e-05,2.1e-06
1853,0.0077599999999999995,0.000104,2.2200000000000003e-06
1854,0.00819,0.00011,2.34e-06
1855,0.00864,0.000116,2.47e-06
1856,0.00911,0.000122,2.5999999999999997e-06
1857,0.0096,0.000128,2.74e-06
1858,0.0101,0.000135,2.8900000000000003e-06
1859,0.0106,0.00014199999999999998,3.04e-06
1860,0.0112,0.00015,3.19e-06
1861,0.011699999999999999,0.000157,3.35e-06
1862,0.0123,0.000165,3.52e-06
1863,0.0129,0.00017299999999999998,3.6900000000000002e-06
1864,0.0136,0.000182,3.88e-06
1865,0.0143,0.000191,4.07e-06
1866,0.015,0.0002,4.270000000000001e-06
1867,0.0157,0.00020999999999999998,4.4799999999999995e-06
1868,0.0165,0.00022,4.7e-06
1869,0.0173,0.000231,4.93e-06
1870,0.0181,0.000242,5.16e-06
1871,0.019,0.000254,5.41e-06
1872,0.019899999999999998,0.000266,5.68e-06
1873,0.0209,0.00028000000000000003,5.97e-06
1874,0.0219,0.000294,6.26e-06
1875,0.023,0.000308,6.570000000000001e-06
1876,0.0242,0.000323,6.9e-06
1877,0.0253,0.000339,7.23e-06
1878,0.0265,0.00035499999999999996,7.57e-06
1879,0.0277,0.000371,7.92e-06
1880,0.029,0.000388,8.269999999999999e-06
1881,0.0303,0.00040500000000000003,8.64e-06
1882,0.0316,0.000422,9.01e-06
1883,0.0329,0.00044,9.390000000000002e-06
1884,0.0343,0.00045900000000000004,9.79e-06
1885,0.0357,0.00047799999999999996,1.02e-05
1886,0.037200000000000004,0.000498,1.06e-05
1887,0.038799999999999994,0.000518,1.11e-05
1888,0.040299999999999996,0.00054,1.15e-05
1889,0.042,0.0005620000000000001,1.2e-05
1890,0.045899999999999996,0.000553,1.31e-05
1891,0.0476,0.000553,1.3599999999999999e-05
1892,0.0494,0.000553,1.41e-05
1893,0.0513,0.000553,1.46e-05
1894,0.053399999999999996,0.000553,1.52e-05
1895,0.055600000000000004,0.000553,1.59e-05
1896,0.0578,0.000553,1.65e-05
1897,0.060200000000000004,0.000553,1.72e-05
1898,0.0627,0.000553,1.7899999999999998e-05
1899,0.0653,0.000553,1.8599999999999998e-05
1900,0.0679,0.000553,1.94e-05
1901,0.0709,0.000553,2.02e-05
1902,0.0742,0.000553,2.12e-05
1903,0.07790000000000001,0.000554,2.22e-05
1904,0.0818,0.000554,2.33e-05
1905,0.0857,0.000554,2.4500000000000003e-05
1906,0.0896,0.000554,2.5600000000000002e-05
1907,0.0933,0.000555,2.66e-05
1908,0.09670000000000001,0.000555,2.76e-05
1909,0.0996,0.0005560000000000001,2.8400000000000003e-05
1910,0.102,0.0005570000000000001,2.91e-05
1911,0.104,0.00057,2.97e-05
1912,0.106,0.000606,3.0200000000000002e-05
1913,0.107,0.000662,3.06e-05
1914,0.109,0.000736,3.1e-05
1915,0.11,0.000823,3.14e-05
1916,0.111,0.0009220000000000001,3.18e-05
1917,0.113,0.00103,3.22e-05
1918,0.114,0.00114,3.26e-05
1919,0.116,0.00125,3.3e-05
1920,0.00337,0.0013700000000000001,9.600000000000001e-07
1921,0.006730000000000001,0.00148,1.9200000000000003e-06
1922,0.074,0.0016200000000000001,2.11e-05
1923,0.148,0.00176,4.22e-05
1924,0.198,0.0019199999999999998,5.66e-05
1925,0.158,0.00209,4.51e-05
1926,0.219,0.00228,6.24e-05
1927,0.212,0.00248,6.05e-05
1928,0.239,0.00962,6.809999999999999e-05
1929,0.252,0.0121,7.199999999999999e-05
1930,0.326,0.0135,9.31e-05
1931,0.208,0.0103,5.9499999999999996e-05
1932,0.0404,0.00594,1.15e-05
1933,0.02,0.00505,5.7099999999999995e-06
1934,0.0135,0.00533,3.8400000000000005e-06
1935,0.0269,0.0056500000000000005,7.680000000000001e-06
1936,0.033600000000000005,0.006,9.6e-06
1937,0.0875,0.00639,2.5e-05
1938,0.101,0.007980000000000001,2.88e-05
1939,0.0673,0.0119,1.92e-05
1940,0.0572,0.010199999999999999,1.63e-05
1941,0.074,0.0143,2.11e-05
1942,0.101,0.0188,2.88e-05
1943,0.172,0.02,4.8899999999999996e-05
1944,0.118,0.0248,3.36e-05
1945,0.121,0.024,3.4500000000000005e-05
1946,0.249,0.0268,7.099999999999999e-05
1947,0.249,0.0343,7.099999999999999e-05
1948,0.286,0.0373,8.16e-05
1949,0.37,0.0425,0.000106
1950,1.28,0.0489,0.000365
1951,1.51,0.055200000000000006,0.000431
1952,1.81,0.0628,0.000515
1953,1.99,0.0658,0.0005679999999999999
1954,2.43,0.08270000000000001,0.0006929999999999999
1955,2.93,0.09390000000000001,0.0008349999999999999
1956,2.71,0.104,0.000772
1957,2.85,0.108,0.000812
1958,2.51,0.0983,0.000717
1959,2.32,0.09390000000000001,0.000662
1960,2.04,0.0735,0.0005819999999999999
1961,2.1,0.06720000000000001,0.0006
1962,1.91,0.07940000000000001,0.0005430000000000001
1963,1.99,0.0895,0.0005679999999999999
1964,1.71,0.0907,0.00048699999999999997
1965,2.16,0.0979,0.000615
1966,2.09,0.104,0.0005949999999999999
1967,1.98,0.113,0.0005610000000000001
1968,2.97,0.118,0.000844
1969,3.21,0.128,0.000914
1970,2.31,0.145,0.000638
1971,2.52,0.153,0.000596
1972,2.56,0.159,0.000532
1973,2.7,0.17,0.0006810000000000001
1974,2.82,0.187,0.000656
1975,2.69,0.19,0.0011200000000000001
1976,2.85,0.197,0.00136
1977,2.99,0.174,0.001
1978,3.05,0.172,0.00109
1979,3.25,0.172,0.00125
1980,3.03,0.173,0.0009320000000000001
1981,3.25,0.183,0.000653
1982,2.59,0.195,0.0008259999999999999
1983,3.47,0.193,0.00111
1984,3.41,0.2,0.00121
1985,3.15,0.191,0.00115
1986,2.91,0.194,0.00029499999999999996
1987,3.33,0.207,0.000856
1988,3.48,0.21,0.000589
1989,3.84,0.216,0.00117
1990,3.54,0.219,0.00117
1991,2.62,0.187,0.00117
1992,2.52,0.185,0.000303
1993,2.33,0.186,0.000914
1994,2.52,0.193,0.000919
1995,2.66,0.21,0.00093
1996,3.02,0.225,0.000625
1997,3.27,0.24,0.000643
1998,3.33,0.255,0.00066
1999,3.34,0.27,0.000578
2000,3.41,0.272,0.000425
2001,3.61,0.293,0.00034300000000000004
2002,3.45,0.32,0.00138
2003,3.61,0.366,0.0014
2004,3.45,0.406,0.0014
2005,3.39,0.468,0.0016899999999999999
2006,3.37,0.472,0.0017800000000000001
2007,3.76,0.479,0.000623
2008,4.01,0.43,0.0006979999999999999
2009,3.64,0.454,0.000804
2010,4.1,0.469,0.00117
2011,5.0,0.451,0.000441
2012,4.87,0.432,0.000101
2013,7.02,0.453,0.0008309999999999999
2014,9.26,0.399,0.000823
2015,6.32,0.431,0.0008139999999999999
2016,6.43,0.344,0.0008060000000000001
2017,5.87,0.345,0.0007970000000000001
2018,5.8,0.346,0.000789