year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00083,0.00786,9.389999999999999e-07,3.43e-08
1851,0.000874,0.00828,9.89e-07,3.6100000000000006e-08
1852,0.000921,0.00872,1.04e-06,3.81e-08
1853,0.000972,0.0092,1.1e-06,4.02e-08
1854,0.00103,0.009710000000000002,1.16e-06,4.24e-08
1855,0.00108,0.010199999999999999,1.22e-06,4.47e-08
1856,0.00114,0.0108,1.29e-06,4.71e-08
1857,0.0012,0.0114,1.3600000000000001e-06,4.97e-08
1858,0.00127,0.012,1.43e-06,5.23e-08
1859,0.00133,0.0126,1.5100000000000002e-06,5.5e-08
1860,0.0014,0.0132,1.5800000000000001e-06,5.78e-08
1861,0.00147,0.013900000000000001,1.66e-06,6.07e-08
1862,0.0015400000000000001,0.0146,1.75e-06,6.38e-08
1863,0.0016200000000000001,0.015300000000000001,1.83e-06,6.7e-08
1864,0.0017,0.0161,1.9200000000000003e-06,7.03e-08
1865,0.0017900000000000001,0.0169,2.02e-06,7.38e-08
1866,0.0018700000000000001,0.0177,2.12e-06,7.739999999999999e-08
1867,0.00197,0.018600000000000002,2.2200000000000003e-06,8.12e-08
1868,0.00206,0.0195,2.33e-06,8.52e-08
1869,0.00216,0.0205,2.44e-06,8.93e-08
1870,0.00226,0.0214,2.56e-06,9.36e-08
1871,0.00237,0.0225,2.69e-06,9.81e-08
1872,0.00249,0.023600000000000003,2.82e-06,1.03e-07
1873,0.00262,0.0248,2.96e-06,1.08e-07
1874,0.00275,0.026,3.11e-06,1.14e-07
1875,0.0028799999999999997,0.0273,3.2599999999999997e-06,1.1900000000000001e-07
1876,0.00302,0.0286,3.42e-06,1.25e-07
1877,0.00317,0.03,3.59e-06,1.3100000000000002e-07
1878,0.00332,0.0314,3.7499999999999997e-06,1.37e-07
1879,0.00347,0.0329,3.9300000000000005e-06,1.44e-07
1880,0.00363,0.0344,4.1000000000000006e-06,1.5e-07
1881,0.00379,0.0359,4.28e-06,1.57e-07
1882,0.00395,0.037399999999999996,4.47e-06,1.6300000000000002e-07
1883,0.00412,0.039,4.66e-06,1.7000000000000001e-07
1884,0.00429,0.040600000000000004,4.85e-06,1.7699999999999998e-07
1885,0.00447,0.0423,5.060000000000001e-06,1.85e-07
1886,0.00466,0.0441,5.27e-06,1.92e-07
1887,0.004849999999999999,0.045899999999999996,5.49e-06,2.0000000000000002e-07
1888,0.00505,0.047799999999999995,5.7099999999999995e-06,2.09e-07
1889,0.00526,0.0498,5.950000000000001e-06,2.17e-07
1890,0.0058,0.0494,6.519999999999999e-06,2.3800000000000001e-07
1891,0.00601,0.0495,6.7600000000000005e-06,2.47e-07
1892,0.00625,0.0497,7.0200000000000006e-06,2.5700000000000004e-07
1893,0.0065,0.0498,7.3e-06,2.67e-07
1894,0.00677,0.05,7.6e-06,2.78e-07
1895,0.0070599999999999994,0.0501,7.92e-06,2.8899999999999995e-07
1896,0.00737,0.0503,8.25e-06,3.0200000000000003e-07
1897,0.007679999999999999,0.0505,8.6e-06,3.14e-07
1898,0.00802,0.0507,8.97e-06,3.28e-07
1899,0.00836,0.051,9.339999999999999e-06,3.41e-07
1900,0.00871,0.0512,9.73e-06,3.55e-07
1901,0.00911,0.0514,1.02e-05,3.7100000000000003e-07
1902,0.00956,0.0517,1.06e-05,3.89e-07
1903,0.0101,0.052,1.12e-05,4.09e-07
1904,0.0106,0.0523,1.17e-05,4.2900000000000004e-07
1905,0.0111,0.052700000000000004,1.23e-05,4.5e-07
1906,0.0116,0.053,1.29e-05,4.71e-07
1907,0.012199999999999999,0.053399999999999996,1.34e-05,4.91e-07
1908,0.0126,0.0538,1.3899999999999999e-05,5.09e-07
1909,0.013,0.054299999999999994,1.44e-05,5.26e-07
1910,0.0134,0.054700000000000006,1.48e-05,5.4e-07
1911,0.013699999999999999,0.055200000000000006,1.5100000000000001e-05,5.51e-07
1912,0.013900000000000001,0.0557,1.54e-05,5.62e-07
1913,0.0141,0.0562,1.56e-05,5.71e-07
1914,0.0143,0.056799999999999996,1.59e-05,5.79e-07
1915,0.0145,0.0574,1.61e-05,5.87e-07
1916,0.0147,0.0581,1.63e-05,5.96e-07
1917,0.0148,0.0589,1.65e-05,6.040000000000001e-07
1918,0.015,0.0598,1.68e-05,6.13e-07
1919,0.015300000000000001,0.060899999999999996,1.7e-05,6.22e-07
1920,0.0155,0.062,1.73e-05,6.33e-07
1921,0.0158,0.0638,1.77e-05,6.45e-07
1922,0.0162,0.06659999999999999,1.8100000000000003e-05,6.6e-07
1923,0.0166,0.0701,1.85e-05,6.769999999999999e-07
1924,0.0171,0.07429999999999999,1.9e-05,6.939999999999999e-07
1925,0.0175,0.07890000000000001,1.95e-05,7.119999999999999e-07
1926,0.018,0.0838,1.9900000000000003e-05,7.29e-07
1927,0.0184,0.0888,2.04e-05,7.45e-07
1928,0.0188,0.0938,2.0799999999999997e-05,7.590000000000001e-07
1929,0.019100000000000002,0.0984,2.11e-05,7.699999999999999e-07
1930,0.019399999999999997,0.103,2.13e-05,7.78e-07
1931,0.019600000000000003,0.107,2.1499999999999997e-05,7.839999999999999e-07
1932,0.019899999999999998,0.111,2.16e-05,7.900000000000001e-07
1933,0.020300000000000002,0.115,2.18e-05,7.95e-07
1934,0.0207,0.119,2.19e-05,8.009999999999999e-07
1935,0.0211,0.123,2.2e-05,8.05e-07
1936,0.0219,0.126,2.2599999999999997e-05,8.25e-07
1937,0.0189,0.13,1.88e-05,6.87e-07
1938,0.0228,0.134,2.2700000000000003e-05,8.3e-07
1939,0.0295,0.138,2.9999999999999997e-05,1.09e-06
1940,0.033299999999999996,0.141,3.39e-05,1.24e-06
1941,0.027,0.144,2.63e-05,9.62e-07
1942,0.0229,0.147,2.13e-05,7.77e-07
1943,0.0211,0.15,1.88e-05,6.87e-07
1944,0.0214,0.152,1.88e-05,6.87e-07
1945,0.0185,0.155,1.4999999999999999e-05,5.5e-07
1946,0.0156,0.157,1.1299999999999999e-05,4.12e-07
1947,0.009470000000000001,0.16,3.76e-06,1.37e-07
1948,0.01,0.164,3.76e-06,1.37e-07
1949,0.0107,0.168,3.76e-06,1.37e-07
1950,0.68,0.173,0.00076,2.7799999999999998e-05
1951,0.594,0.18,0.000662,2.42e-05
1952,0.716,0.191,0.000798,2.91e-05
1953,0.848,0.205,0.000944,3.4500000000000005e-05
1954,0.725,0.222,0.0008010000000000001,2.93e-05
1955,0.847,0.24,0.000937,3.4200000000000005e-05
1956,0.883,0.261,0.0009739999999999999,3.56e-05
1957,0.9,0.301,0.00099,3.6200000000000006e-05
1958,1.01,0.319,0.00111,4.04e-05
1959,1.12,0.366,0.00123,4.49e-05
1960,1.1,0.385,0.00121,4.43e-05
1961,0.989,0.408,0.00108,3.96e-05
1962,1.08,0.445,0.0011799999999999998,4.32e-05
1963,1.17,0.473,0.0012900000000000001,4.7e-05
1964,1.17,0.511,0.00128,4.6899999999999995e-05
1965,1.25,0.541,0.00138,5.0299999999999996e-05
1966,1.34,0.576,0.00147,5.39e-05
1967,1.29,0.606,0.0014199999999999998,5.18e-05
1968,1.44,0.627,0.00159,5.8e-05
1969,1.14,0.65,0.00125,4.5600000000000004e-05
1970,1.26,0.484,0.00149,5.43e-05
1971,1.32,0.491,0.00157,5.5e-05
1972,1.33,0.587,0.0016200000000000001,5.5e-05
1973,1.57,0.714,0.0016799999999999999,5.4e-05
1974,1.55,0.677,0.00173,5.5e-05
1975,1.45,0.59,0.00176,5.4e-05
1976,1.54,0.628,0.0018,5.3e-05
1977,1.71,0.65,0.0018700000000000001,5.5e-05
1978,1.74,0.609,0.0019199999999999998,5.52e-05
1979,1.82,0.623,0.00197,5.52e-05
1980,1.7,0.532,0.00202,5.52e-05
1981,1.59,0.474,0.00207,5.52e-05
1982,1.45,0.322,0.0021000000000000003,5.52e-05
1983,1.41,0.328,0.0021000000000000003,5.55e-05
1984,1.65,0.429,0.00214,5.55e-05
1985,1.48,0.394,0.00219,5.55e-05
1986,1.63,0.337,0.00225,5.52e-05
1987,1.66,0.338,0.00233,5.4800000000000004e-05
1988,1.67,0.364,0.00235,5.4e-05
1989,1.7,0.37,0.00237,5.4499999999999997e-05
1990,1.83,0.407,0.0073,5.5e-05
1991,1.75,0.373,0.00724,5.73e-05
1992,1.89,0.376,0.00704,5.9e-05
1993,2.0,0.425,0.006,5.86e-05
1994,1.94,0.426,0.00553,5.89e-05
1995,2.03,0.444,0.00487,6.12e-05
1996,2.08,0.443,0.00437,6.560000000000001e-05
1997,2.12,0.502,0.00421,6.25e-05
1998,2.11,0.53,0.00357,7.57e-05
1999,2.17,0.679,0.00292,7.209999999999999e-05
2000,2.15,0.789,0.0027400000000000002,7.42e-05
2001,2.04,0.831,0.0025800000000000003,7.950000000000001e-05
2002,2.15,0.848,0.0024,8.010000000000001e-05
2003,2.14,0.849,0.0020499999999999997,0.00254
2004,2.24,0.873,0.00517,0.00271
2005,2.12,0.856,0.004730000000000001,0.0036
2006,2.19,0.965,0.00479,0.00367
2007,2.34,1.16,0.00786,0.005019999999999999
2008,2.21,1.6,0.00613,0.005719999999999999
2009,2.11,1.62,0.006059999999999999,0.00422
2010,2.03,1.62,0.00591,0.0024300000000000003
2011,1.88,1.62,0.006549999999999999,0.0024
2012,1.83,1.66,0.00635,0.00423
2013,1.8,1.69,0.00539,0.00431
2014,1.8,1.66,0.00709,0.00409
2015,1.83,1.71,0.00646,0.00379
2016,1.8,1.68,0.00675,0.00413
2017,1.84,1.76,0.00708,0.0039900000000000005
2018,1.89,1.77,0.00615,0.00642