year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0030299999999999997,0.000246,1.68e-07,3.2600000000000003e-07
1851,0.00319,0.000258,1.7699999999999998e-07,3.44e-07
1852,0.00337,0.000272,1.87e-07,3.6200000000000004e-07
1853,0.0035499999999999998,0.000287,1.97e-07,3.82e-07
1854,0.00375,0.000303,2.0799999999999998e-07,4.03e-07
1855,0.00395,0.00032,2.1900000000000002e-07,4.2499999999999995e-07
1856,0.00417,0.000337,2.3100000000000002e-07,4.48e-07
1857,0.00439,0.00035499999999999996,2.44e-07,4.73e-07
1858,0.00462,0.000374,2.5700000000000004e-07,4.979999999999999e-07
1859,0.004860000000000001,0.00039400000000000004,2.7e-07,5.23e-07
1860,0.00511,0.000414,2.84e-07,5.5e-07
1861,0.00537,0.000435,2.98e-07,5.779999999999999e-07
1862,0.00564,0.000456,3.13e-07,6.07e-07
1863,0.00592,0.000479,3.29e-07,6.37e-07
1864,0.00622,0.000503,3.45e-07,6.69e-07
1865,0.00652,0.000528,3.6200000000000004e-07,7.02e-07
1866,0.006849999999999999,0.000554,3.8e-07,7.37e-07
1867,0.00718,0.0005809999999999999,3.99e-07,7.73e-07
1868,0.00753,0.00061,4.18e-07,8.1e-07
1869,0.0079,0.000639,4.39e-07,8.499999999999999e-07
1870,0.00828,0.00067,4.6e-07,8.91e-07
1871,0.00868,0.0007019999999999999,4.82e-07,9.340000000000001e-07
1872,0.00911,0.000737,5.06e-07,9.8e-07
1873,0.00956,0.0007740000000000001,5.31e-07,1.03e-06
1874,0.01,0.000812,5.57e-07,1.08e-06
1875,0.0105,0.000853,5.85e-07,1.13e-06
1876,0.0111,0.000894,6.14e-07,1.19e-06
1877,0.0116,0.0009379999999999999,6.43e-07,1.25e-06
1878,0.0121,0.000982,6.74e-07,1.31e-06
1879,0.0127,0.00103,7.05e-07,1.37e-06
1880,0.013300000000000001,0.00107,7.36e-07,1.43e-06
1881,0.013800000000000002,0.0011200000000000001,7.690000000000001e-07,1.49e-06
1882,0.0144,0.00117,8.02e-07,1.55e-06
1883,0.015,0.00122,8.36e-07,1.62e-06
1884,0.0157,0.00127,8.71e-07,1.6900000000000001e-06
1885,0.016300000000000002,0.00132,9.070000000000001e-07,1.76e-06
1886,0.017,0.00138,9.45e-07,1.83e-06
1887,0.0177,0.0014299999999999998,9.84e-07,1.91e-06
1888,0.0185,0.00149,1.02e-06,1.99e-06
1889,0.0192,0.00155,1.07e-06,2.0699999999999997e-06
1890,0.0215,0.0015300000000000001,1.19e-06,2.31e-06
1891,0.0223,0.0015300000000000001,1.24e-06,2.4e-06
1892,0.0233,0.0015300000000000001,1.29e-06,2.5e-06
1893,0.024300000000000002,0.0015300000000000001,1.35e-06,2.62e-06
1894,0.0254,0.0015300000000000001,1.41e-06,2.74e-06
1895,0.026600000000000002,0.0015300000000000001,1.48e-06,2.86e-06
1896,0.027899999999999998,0.0015300000000000001,1.55e-06,3e-06
1897,0.0292,0.0015300000000000001,1.62e-06,3.14e-06
1898,0.030600000000000002,0.0015300000000000001,1.6999999999999998e-06,3.29e-06
1899,0.032,0.0015300000000000001,1.78e-06,3.45e-06
1900,0.0335,0.0015300000000000001,1.8600000000000002e-06,3.6099999999999997e-06
1901,0.0351,0.0015300000000000001,1.95e-06,3.78e-06
1902,0.036899999999999995,0.0015300000000000001,2.0500000000000003e-06,3.98e-06
1903,0.0389,0.0015300000000000001,2.16e-06,4.18e-06
1904,0.0409,0.0015300000000000001,2.27e-06,4.41e-06
1905,0.0431,0.0015300000000000001,2.39e-06,4.64e-06
1906,0.0453,0.0015300000000000001,2.51e-06,4.87e-06
1907,0.0475,0.0015300000000000001,2.64e-06,5.11e-06
1908,0.0497,0.0015400000000000001,2.76e-06,5.35e-06
1909,0.0518,0.0015400000000000001,2.8800000000000004e-06,5.58e-06
1910,0.053899999999999997,0.0015400000000000001,2.99e-06,5.7999999999999995e-06
1911,0.0559,0.0015400000000000001,3.1e-06,6.01e-06
1912,0.0578,0.0015400000000000001,3.21e-06,6.22e-06
1913,0.0597,0.0015400000000000001,3.31e-06,6.42e-06
1914,0.0616,0.0015400000000000001,3.42e-06,6.629999999999999e-06
1915,0.0635,0.0015400000000000001,3.52e-06,6.83e-06
1916,0.0654,0.0015400000000000001,3.63e-06,7.04e-06
1917,0.0674,0.0015400000000000001,3.7399999999999998e-06,7.25e-06
1918,0.0694,0.0015400000000000001,3.85e-06,7.4700000000000005e-06
1919,0.0715,0.0015400000000000001,3.969999999999999e-06,7.7e-06
1920,0.07379999999999999,0.0015400000000000001,4.1000000000000006e-06,7.939999999999999e-06
1921,0.0761,0.00158,4.23e-06,8.19e-06
1922,0.0785,0.00172,4.36e-06,8.449999999999999e-06
1923,0.081,0.0019399999999999999,4.499999999999999e-06,8.72e-06
1924,0.0836,0.00222,4.64e-06,8.999999999999999e-06
1925,0.0863,0.0025499999999999997,4.79e-06,9.289999999999999e-06
1926,0.089,0.00292,4.95e-06,9.58e-06
1927,0.09190000000000001,0.00333,5.1e-06,9.89e-06
1928,0.0948,0.00375,5.27e-06,1.02e-05
1929,0.0978,0.00419,5.43e-06,1.0500000000000001e-05
1930,0.101,0.00461,5.6100000000000005e-06,1.09e-05
1931,0.104,0.00505,5.79e-06,1.12e-05
1932,0.107,0.00554,5.97e-06,1.1599999999999999e-05
1933,0.111,0.00607,6.15e-06,1.1900000000000001e-05
1934,0.114,0.00664,6.349999999999999e-06,1.23e-05
1935,0.118,0.0072699999999999996,6.55e-06,1.2699999999999999e-05
1936,0.122,0.00795,6.7600000000000005e-06,1.31e-05
1937,0.126,0.00868,6.98e-06,1.35e-05
1938,0.13,0.009460000000000001,7.2100000000000004e-06,1.4e-05
1939,0.134,0.0103,7.45e-06,1.44e-05
1940,0.139,0.0112,7.7e-06,1.49e-05
1941,0.143,0.012199999999999999,7.95e-06,1.54e-05
1942,0.148,0.0134,8.210000000000001e-06,1.59e-05
1943,0.152,0.0147,8.47e-06,1.6400000000000002e-05
1944,0.157,0.0162,8.74e-06,1.6899999999999997e-05
1945,0.163,0.0178,9.04e-06,1.7500000000000002e-05
1946,0.169,0.0195,9.36e-06,1.8100000000000003e-05
1947,0.175,0.0213,9.72e-06,1.88e-05
1948,0.182,0.0232,1.01e-05,1.96e-05
1949,0.19,0.0252,1.06e-05,2.05e-05
1950,0.213,0.0272,1.18e-05,2.29e-05
1951,0.235,0.0294,1.3e-05,2.53e-05
1952,0.268,0.0318,1.49e-05,2.88e-05
1953,0.312,0.0344,1.73e-05,3.35e-05
1954,0.337,0.037200000000000004,1.87e-05,3.63e-05
1955,0.312,0.040100000000000004,1.73e-05,3.35e-05
1956,0.341,0.0432,1.89e-05,3.6700000000000004e-05
1957,0.374,0.0466,2.0799999999999997e-05,4.02e-05
1958,0.319,0.0501,1.77e-05,3.43e-05
1959,0.367,0.0538,2.04e-05,3.95e-05
1960,0.433,0.0577,2.4e-05,4.66e-05
1961,0.429,0.061700000000000005,2.3800000000000003e-05,4.62e-05
1962,0.495,0.06609999999999999,2.75e-05,5.33e-05
1963,0.532,0.0707,2.95e-05,5.72e-05
1964,0.609,0.0757,3.3799999999999995e-05,6.55e-05
1965,0.796,0.08109999999999999,4.4200000000000004e-05,8.56e-05
1966,1.1,0.0868,6.09e-05,0.000118
1967,1.33,0.093,7.41e-05,0.00014399999999999998
1968,1.45,0.0997,8.060000000000001e-05,0.000156
1969,1.52,0.107,8.450000000000001e-05,0.000164
1970,1.61,0.126,7.57e-05,0.000425
1971,1.69,0.123,7.75e-05,0.0007019999999999999
1972,1.72,0.107,7.86e-05,0.000745
1973,2.08,0.127,7.829999999999999e-05,0.000766
1974,1.58,0.123,8.010000000000001e-05,0.000868
1975,2.01,0.07809999999999999,8.12e-05,0.000558
1976,1.97,0.108,8.309999999999999e-05,0.000744
1977,1.88,0.111,8.690000000000001e-05,0.0008259999999999999
1978,2.37,0.132,9.1e-05,0.0008110000000000001
1979,2.27,0.125,9.01e-05,0.000467
1980,2.34,0.13,8.96e-05,0.00030199999999999997
1981,1.99,0.109,9.45e-05,0.00141
1982,1.84,0.112,9.5e-05,0.00189
1983,1.34,0.0965,9.63e-05,0.0019299999999999999
1984,1.53,0.0677,9.800000000000001e-05,0.00283
1985,1.57,0.0782,0.0001,0.0023
1986,1.73,0.07759999999999999,0.000102,0.0023599999999999997
1987,1.73,0.032,9.82e-05,0.002
1988,1.85,0.045,0.00010499999999999999,0.000589
1989,1.83,0.0767,0.000111,0.00029299999999999997
1990,1.75,0.08159999999999999,0.00011300000000000001,0.00029299999999999997
1991,2.03,0.081,0.00011700000000000001,0.000294
1992,2.04,0.0837,0.00011899999999999999,0.00091
1993,2.02,0.0799,0.00011700000000000001,0.000914
1994,2.02,0.0773,0.000121,0.00122
1995,2.04,0.0795,0.000124,0.00124
1996,2.06,0.0861,0.000126,0.00219
1997,2.08,0.086,0.000131,0.00225
1998,2.08,0.081,0.000134,0.00198
1999,2.1,0.042,0.000136,0.0016699999999999998
2000,2.17,0.07659999999999999,0.00013800000000000002,0.0016799999999999999
2001,2.34,0.08,0.00014199999999999998,0.00171
2002,1.53,0.0824,0.000146,0.00173
2003,1.51,0.0835,0.00015099999999999998,0.00175
2004,1.53,0.0815,0.000157,0.00175
2005,1.56,0.08059999999999999,0.000161,0.00212
2006,1.71,0.08109999999999999,0.000165,0.0022299999999999998
2007,1.73,0.0809,0.00017,0.000778
2008,1.91,0.081,0.000175,0.000873
2009,1.98,0.0747,0.000179,0.00101
2010,2.38,0.0721,0.000184,0.00147
2011,1.93,0.084,0.000189,0.0005510000000000001
2012,2.2,0.102,0.000193,0.000126
2013,1.85,0.108,0.000193,0.000641
2014,1.93,0.109,0.000193,0.0005420000000000001
2015,2.36,0.113,0.000193,0.000444
2016,2.44,0.113,0.000195,0.000345
2017,2.55,0.114,0.00019700000000000002,0.000247
2018,2.6,0.114,0.000199,0.000148