year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000902,1.17e-05,1.7799999999999998e-07,7.97e-08
1851,0.00095,1.23e-05,1.88e-07,8.39e-08
1852,0.001,1.29e-05,1.98e-07,8.84e-08
1853,0.00106,1.3599999999999999e-05,2.09e-07,9.32e-08
1854,0.00111,1.44e-05,2.2e-07,9.840000000000001e-08
1855,0.0011799999999999998,1.52e-05,2.32e-07,1.0399999999999999e-07
1856,0.00124,1.6e-05,2.45e-07,1.0900000000000001e-07
1857,0.00131,1.6899999999999997e-05,2.58e-07,1.15e-07
1858,0.00138,1.78e-05,2.72e-07,1.21e-07
1859,0.00145,1.87e-05,2.86e-07,1.2799999999999998e-07
1860,0.00152,1.96e-05,3e-07,1.34e-07
1861,0.0016,2.06e-05,3.15e-07,1.41e-07
1862,0.0016799999999999999,2.17e-05,3.3100000000000004e-07,1.48e-07
1863,0.00176,2.2700000000000003e-05,3.48e-07,1.55e-07
1864,0.00185,2.39e-05,3.65e-07,1.6300000000000002e-07
1865,0.0019399999999999999,2.51e-05,3.83e-07,1.71e-07
1866,0.00204,2.63e-05,4.02e-07,1.8000000000000002e-07
1867,0.00214,2.76e-05,4.22e-07,1.89e-07
1868,0.0022400000000000002,2.8899999999999998e-05,4.43e-07,1.98e-07
1869,0.00235,3.03e-05,4.64e-07,2.07e-07
1870,0.00246,3.18e-05,4.86e-07,2.17e-07
1871,0.0025800000000000003,3.33e-05,5.1e-07,2.28e-07
1872,0.00271,3.5000000000000004e-05,5.35e-07,2.39e-07
1873,0.0028399999999999996,3.6700000000000004e-05,5.62e-07,2.5099999999999996e-07
1874,0.00299,3.85e-05,5.900000000000001e-07,2.6400000000000003e-07
1875,0.00313,4.05e-05,6.19e-07,2.77e-07
1876,0.00329,4.24e-05,6.49e-07,2.9e-07
1877,0.0034500000000000004,4.45e-05,6.809999999999999e-07,3.04e-07
1878,0.00361,4.66e-05,7.13e-07,3.19e-07
1879,0.00378,4.87e-05,7.46e-07,3.3300000000000003e-07
1880,0.00394,5.0900000000000004e-05,7.79e-07,3.48e-07
1881,0.00412,5.32e-05,8.13e-07,3.63e-07
1882,0.00429,5.54e-05,8.48e-07,3.79e-07
1883,0.0044800000000000005,5.7799999999999995e-05,8.84e-07,3.9500000000000003e-07
1884,0.00467,6.02e-05,9.210000000000001e-07,4.12e-07
1885,0.004860000000000001,6.28e-05,9.600000000000001e-07,4.2900000000000004e-07
1886,0.005059999999999999,6.54e-05,1e-06,4.47e-07
1887,0.0052699999999999995,6.809999999999999e-05,1.04e-06,4.6500000000000005e-07
1888,0.00549,7.09e-05,1.08e-06,4.85e-07
1889,0.00571,7.38e-05,1.13e-06,5.05e-07
1890,0.0064,7.26e-05,1.26e-06,5.65e-07
1891,0.0066500000000000005,7.26e-05,1.31e-06,5.87e-07
1892,0.00692,7.26e-05,1.37e-06,6.11e-07
1893,0.00723,7.26e-05,1.43e-06,6.38e-07
1894,0.00756,7.26e-05,1.49e-06,6.68e-07
1895,0.00792,7.26e-05,1.5599999999999999e-06,6.99e-07
1896,0.008289999999999999,7.26e-05,1.64e-06,7.32e-07
1897,0.00869,7.26e-05,1.72e-06,7.67e-07
1898,0.0091,7.26e-05,1.8e-06,8.04e-07
1899,0.009529999999999999,7.26e-05,1.88e-06,8.419999999999999e-07
1900,0.009980000000000001,7.26e-05,1.9699999999999998e-06,8.809999999999999e-07
1901,0.0105,7.27e-05,2.06e-06,9.23e-07
1902,0.011,7.27e-05,2.17e-06,9.7e-07
1903,0.0116,7.27e-05,2.2799999999999998e-06,1.02e-06
1904,0.012199999999999999,7.27e-05,2.41e-06,1.08e-06
1905,0.0128,7.280000000000001e-05,2.5300000000000003e-06,1.13e-06
1906,0.0135,7.280000000000001e-05,2.66e-06,1.19e-06
1907,0.0141,7.280000000000001e-05,2.79e-06,1.25e-06
1908,0.0148,7.290000000000001e-05,2.92e-06,1.2999999999999998e-06
1909,0.0154,7.290000000000001e-05,3.04e-06,1.3600000000000001e-06
1910,0.016,7.290000000000001e-05,3.17e-06,1.42e-06
1911,0.0166,7.290000000000001e-05,3.28e-06,1.47e-06
1912,0.0172,7.290000000000001e-05,3.3999999999999996e-06,1.52e-06
1913,0.0178,7.290000000000001e-05,3.5100000000000003e-06,1.57e-06
1914,0.0183,7.290000000000001e-05,3.62e-06,1.62e-06
1915,0.0189,7.290000000000001e-05,3.73e-06,1.67e-06
1916,0.0195,7.290000000000001e-05,3.8400000000000005e-06,1.72e-06
1917,0.02,7.290000000000001e-05,3.96e-06,1.77e-06
1918,0.0206,7.290000000000001e-05,4.08e-06,1.82e-06
1919,0.0213,7.290000000000001e-05,4.2e-06,1.88e-06
1920,0.0219,7.290000000000001e-05,4.33e-06,1.94e-06
1921,0.022600000000000002,7.52e-05,4.47e-06,2e-06
1922,0.023399999999999997,8.17e-05,4.610000000000001e-06,2.06e-06
1923,0.0241,9.19e-05,4.76e-06,2.13e-06
1924,0.0249,0.00010499999999999999,4.9100000000000004e-06,2.2e-06
1925,0.0257,0.000121,5.07e-06,2.27e-06
1926,0.0265,0.00013900000000000002,5.23e-06,2.34e-06
1927,0.0273,0.000158,5.4e-06,2.41e-06
1928,0.0282,0.000178,5.57e-06,2.49e-06
1929,0.0291,0.000199,5.75e-06,2.57e-06
1930,0.03,0.000219,5.93e-06,2.65e-06
1931,0.031,0.00023999999999999998,6.12e-06,2.74e-06
1932,0.032,0.000263,6.31e-06,2.82e-06
1933,0.033,0.00028799999999999995,6.51e-06,2.9099999999999997e-06
1934,0.034,0.000315,6.72e-06,3e-06
1935,0.0351,0.000345,6.9300000000000006e-06,3.1e-06
1936,0.0362,0.000377,7.15e-06,3.2000000000000003e-06
1937,0.037399999999999996,0.000412,7.3800000000000005e-06,3.3e-06
1938,0.0386,0.000449,7.62e-06,3.41e-06
1939,0.0399,0.000489,7.879999999999999e-06,3.52e-06
1940,0.0412,0.000532,8.15e-06,3.64e-06
1941,0.0426,0.00058,8.42e-06,3.76e-06
1942,0.044,0.0006360000000000001,8.68e-06,3.88e-06
1943,0.045399999999999996,0.000699,8.959999999999999e-06,4e-06
1944,0.046799999999999994,0.000768,9.25e-06,4.13e-06
1945,0.0484,0.000843,9.56e-06,4.270000000000001e-06
1946,0.0501,0.000924,9.9e-06,4.43e-06
1947,0.052,0.00101,1.03e-05,4.59e-06
1948,0.054200000000000005,0.0011,1.07e-05,4.78e-06
1949,0.056600000000000004,0.0011899999999999999,1.12e-05,5e-06
1950,0.055,0.0012900000000000001,1.09e-05,4.86e-06
1951,0.066,0.0014,1.3e-05,5.83e-06
1952,0.077,0.00151,1.52e-05,6.799999999999999e-06
1953,0.08070000000000001,0.00163,1.59e-05,7.12e-06
1954,0.0843,0.00176,1.67e-05,7.45e-06
1955,0.128,0.0019,2.53e-05,1.1299999999999999e-05
1956,0.139,0.0020499999999999997,2.75e-05,1.23e-05
1957,0.176,0.00221,3.48e-05,1.55e-05
1958,0.18,0.0023799999999999997,3.5499999999999996e-05,1.59e-05
1959,0.26,0.0025499999999999997,5.14e-05,2.3e-05
1960,0.411,0.0027400000000000002,8.11e-05,3.63e-05
1961,0.546,0.0029300000000000003,0.000108,4.82e-05
1962,0.726,0.00314,0.00014299999999999998,6.41e-05
1963,0.708,0.0033599999999999997,0.00014000000000000001,6.25e-05
1964,1.09,0.00359,0.000214,9.58e-05
1965,1.32,0.00385,0.00026000000000000003,0.000116
1966,1.09,0.311,0.000216,9.65e-05
1967,1.36,0.342,0.00026900000000000003,0.00011999999999999999
1968,1.29,0.343,0.000255,0.000114
1969,1.34,0.408,0.000264,0.000118
1970,2.16,0.415,0.000312,0.000106
1971,6.32,0.416,0.000312,0.000106
1972,6.0,0.492,0.000323,0.000128
1973,7.4,0.479,0.000332,0.00017
1974,6.99,0.399,0.000342,0.000106
1975,8.06,0.196,0.000352,0.000112
1976,6.33,0.14,0.000363,0.00010899999999999999
1977,9.68,0.0435,0.000374,0.000134
1978,6.44,0.167,0.000386,9.27e-05
1979,6.71,0.222,0.000398,9.84e-05
1980,7.76,0.231,0.00041,0.000126
1981,2.79,0.023100000000000002,0.000424,0.000131
1982,2.23,0.039700000000000006,0.000438,0.000107
1983,2.01,0.019,0.00045200000000000004,8.15e-05
1984,1.86,0.0299,0.00046600000000000005,8.09e-05
1985,1.51,0.00891,0.000479,9.64e-05
1986,1.41,0.008490000000000001,0.000493,9.429999999999999e-05
1987,1.42,0.00934,0.000506,9.23e-05
1988,1.54,0.00867,0.000519,9.03e-05
1989,1.95,0.00899,0.000532,8.83e-05
1990,1.95,0.00916,0.000545,8.62e-05
1991,1.78,0.009779999999999999,0.0005570000000000001,8.42e-05
1992,1.79,0.00934,0.000569,8.219999999999999e-05
1993,1.7,0.009720000000000001,0.0005819999999999999,8.02e-05
1994,1.69,0.00992,0.000594,7.81e-05
1995,1.68,0.009890000000000001,0.0006039999999999999,7.61e-05
1996,1.67,0.0105,0.000614,7.41e-05
1997,1.36,0.0103,0.000622,7.209999999999999e-05
1998,1.68,0.0107,0.000631,7.000000000000001e-05
1999,1.67,0.0107,0.00064,6.8e-05
2000,1.67,0.00976,0.000675,6.6e-05
2001,1.57,0.010199999999999999,0.000687,6.39e-05
2002,1.58,0.0104,0.0007009999999999999,6.19e-05
2003,1.52,0.011,0.000717,5.99e-05
2004,1.72,0.0111,0.000732,5.79e-05
2005,1.74,0.012199999999999999,0.000748,5.58e-05
2006,1.66,0.0121,0.000763,5.38e-05
2007,1.69,0.012,0.000778,5.18e-05
2008,1.5,0.0111,0.0007930000000000001,4.98e-05
2009,1.64,0.012,0.000808,4.77e-05
2010,1.65,0.011800000000000001,0.0008219999999999999,4.57e-05
2011,1.86,0.0112,0.0008349999999999999,4.3700000000000005e-05
2012,1.97,0.0127,0.000848,4.1700000000000004e-05
2013,2.8,0.0129,0.000861,3.96e-05
2014,2.41,0.0126,0.000873,3.76e-05
2015,2.48,0.0125,0.000884,3.56e-05
2016,2.55,0.0127,0.000897,3.36e-05
2017,2.47,0.0128,0.00091,3.15e-05
2018,2.58,0.013,0.000923,2.95e-05