year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00126,0.0103,1.41e-06,1.91e-06
1851,0.00132,0.0108,1.48e-06,2.0100000000000002e-06
1852,0.0014,0.0114,1.5599999999999999e-06,2.12e-06
1853,0.00147,0.012,1.65e-06,2.2399999999999997e-06
1854,0.00155,0.0127,1.74e-06,2.3600000000000003e-06
1855,0.00164,0.0134,1.84e-06,2.49e-06
1856,0.00173,0.0141,1.94e-06,2.62e-06
1857,0.00182,0.0149,2.04e-06,2.7699999999999997e-06
1858,0.0019199999999999998,0.0157,2.15e-06,2.9099999999999997e-06
1859,0.00202,0.0165,2.26e-06,3.06e-06
1860,0.00212,0.0173,2.38e-06,3.22e-06
1861,0.0022299999999999998,0.0182,2.49e-06,3.3800000000000002e-06
1862,0.00234,0.019100000000000002,2.62e-06,3.5500000000000003e-06
1863,0.0024500000000000004,0.02,2.75e-06,3.73e-06
1864,0.0025800000000000003,0.021,2.8900000000000003e-06,3.92e-06
1865,0.0027,0.0221,3.0300000000000002e-06,4.11e-06
1866,0.0028399999999999996,0.0232,3.18e-06,4.309999999999999e-06
1867,0.00298,0.024300000000000002,3.34e-06,4.52e-06
1868,0.00312,0.0255,3.5e-06,4.74e-06
1869,0.00327,0.026699999999999998,3.67e-06,4.97e-06
1870,0.0034300000000000003,0.028,3.8400000000000005e-06,5.21e-06
1871,0.0036,0.0294,4.0299999999999995e-06,5.47e-06
1872,0.00377,0.0308,4.23e-06,5.74e-06
1873,0.00396,0.0324,4.440000000000001e-06,6.02e-06
1874,0.0041600000000000005,0.034,4.66e-06,6.3200000000000005e-06
1875,0.00437,0.0357,4.890000000000001e-06,6.64e-06
1876,0.00458,0.037399999999999996,5.13e-06,6.96e-06
1877,0.0048,0.039200000000000006,5.38e-06,7.3e-06
1878,0.005030000000000001,0.041100000000000005,5.64e-06,7.64e-06
1879,0.00526,0.043,5.9e-06,7.99e-06
1880,0.0055,0.044899999999999995,6.1599999999999995e-06,8.35e-06
1881,0.00574,0.046799999999999994,6.43e-06,8.72e-06
1882,0.00598,0.0489,6.71e-06,9.090000000000001e-06
1883,0.00624,0.0509,6.99e-06,9.48e-06
1884,0.0065,0.0531,7.29e-06,9.88e-06
1885,0.00677,0.055299999999999995,7.59e-06,1.03e-05
1886,0.00705,0.0576,7.91e-06,1.07e-05
1887,0.00735,0.06,8.229999999999999e-06,1.12e-05
1888,0.0076500000000000005,0.0625,8.57e-06,1.1599999999999999e-05
1889,0.00796,0.065,8.920000000000001e-06,1.21e-05
1890,0.00876,0.06459999999999999,9.79e-06,1.33e-05
1891,0.009089999999999999,0.06470000000000001,1.01e-05,1.38e-05
1892,0.009439999999999999,0.0649,1.0500000000000001e-05,1.43e-05
1893,0.00982,0.065,1.1e-05,1.49e-05
1894,0.010199999999999999,0.0653,1.1400000000000001e-05,1.55e-05
1895,0.0107,0.0655,1.1900000000000001e-05,1.61e-05
1896,0.0111,0.06570000000000001,1.24e-05,1.68e-05
1897,0.0116,0.066,1.29e-05,1.7500000000000002e-05
1898,0.0121,0.0663,1.35e-05,1.8200000000000002e-05
1899,0.0126,0.06659999999999999,1.4e-05,1.9e-05
1900,0.013099999999999999,0.0669,1.46e-05,1.98e-05
1901,0.013699999999999999,0.06720000000000001,1.52e-05,2.07e-05
1902,0.0144,0.0676,1.6e-05,2.17e-05
1903,0.015099999999999999,0.0679,1.68e-05,2.2800000000000002e-05
1904,0.0159,0.0683,1.76e-05,2.39e-05
1905,0.0167,0.0688,1.85e-05,2.51e-05
1906,0.0175,0.0693,1.93e-05,2.62e-05
1907,0.0183,0.0698,2.02e-05,2.7300000000000003e-05
1908,0.019,0.0703,2.09e-05,2.8400000000000003e-05
1909,0.019600000000000003,0.0709,2.16e-05,2.93e-05
1910,0.0201,0.0715,2.22e-05,3.01e-05
1911,0.0205,0.0721,2.2599999999999997e-05,3.07e-05
1912,0.0209,0.0728,2.31e-05,3.13e-05
1913,0.0212,0.0734,2.34e-05,3.18e-05
1914,0.0215,0.0742,2.3800000000000003e-05,3.23e-05
1915,0.0218,0.075,2.41e-05,3.27e-05
1916,0.0221,0.07590000000000001,2.4500000000000003e-05,3.32e-05
1917,0.0224,0.077,2.48e-05,3.36e-05
1918,0.022699999999999998,0.0782,2.52e-05,3.4099999999999995e-05
1919,0.023,0.0795,2.5600000000000002e-05,3.46e-05
1920,0.023399999999999997,0.081,2.6e-05,3.52e-05
1921,0.023899999999999998,0.0834,2.65e-05,3.5999999999999994e-05
1922,0.024399999999999998,0.087,2.7099999999999998e-05,3.68e-05
1923,0.0251,0.0916,2.7799999999999998e-05,3.7699999999999995e-05
1924,0.0257,0.09709999999999999,2.85e-05,3.87e-05
1925,0.0264,0.103,2.92e-05,3.96e-05
1926,0.027100000000000003,0.11,2.99e-05,4.06e-05
1927,0.0277,0.116,3.06e-05,4.15e-05
1928,0.0282,0.122,3.12e-05,4.23e-05
1929,0.0287,0.129,3.16e-05,4.29e-05
1930,0.0291,0.134,3.2e-05,4.3299999999999995e-05
1931,0.0294,0.139,3.22e-05,4.3700000000000005e-05
1932,0.0298,0.144,3.24e-05,4.4e-05
1933,0.030199999999999998,0.15,3.27e-05,4.43e-05
1934,0.030699999999999998,0.155,3.29e-05,4.46e-05
1935,0.023,0.16,2.39e-05,3.24e-05
1936,0.024,0.165,2.47e-05,3.34e-05
1937,0.0207,0.17,2.06e-05,2.79e-05
1938,0.0248,0.175,2.48e-05,3.36e-05
1939,0.032299999999999995,0.18,3.27e-05,4.44e-05
1940,0.0364,0.184,3.7e-05,5.02e-05
1941,0.0294,0.189,2.88e-05,3.9e-05
1942,0.0248,0.192,2.3199999999999998e-05,3.15e-05
1943,0.0228,0.196,2.06e-05,2.79e-05
1944,0.0232,0.199,2.06e-05,2.79e-05
1945,0.019899999999999998,0.202,1.6400000000000002e-05,2.23e-05
1946,0.0167,0.205,1.23e-05,1.67e-05
1947,0.009810000000000001,0.209,4.11e-06,5.57e-06
1948,0.0104,0.214,4.11e-06,5.57e-06
1949,0.011,0.219,4.11e-06,5.57e-06
1950,0.749,0.226,0.00083,0.00113
1951,0.655,0.235,0.000723,0.0009809999999999999
1952,0.788,0.249,0.000871,0.0011799999999999998
1953,0.934,0.268,0.00103,0.0014
1954,0.797,0.289,0.000875,0.0011899999999999999
1955,0.932,0.314,0.00102,0.00139
1956,0.972,0.34,0.00106,0.0014399999999999999
1957,0.989,0.387,0.00108,0.00147
1958,1.11,0.412,0.00121,0.00164
1959,1.23,0.466,0.00134,0.00182
1960,1.21,0.491,0.00132,0.0017900000000000001
1961,1.09,0.521,0.0011799999999999998,0.00161
1962,1.18,0.566,0.0012900000000000001,0.00175
1963,1.29,0.604,0.00141,0.00191
1964,1.28,0.65,0.0014,0.0019
1965,1.38,0.69,0.0015,0.00204
1966,1.47,0.734,0.00161,0.00218
1967,1.42,0.773,0.00155,0.0021000000000000003
1968,1.58,0.803,0.00173,0.00235
1969,1.25,0.829,0.00136,0.00185
1970,1.38,0.619,0.00163,0.0022
1971,1.45,0.63,0.00172,0.0022299999999999998
1972,1.46,0.749,0.00177,0.0022299999999999998
1973,1.73,0.917,0.00183,0.00219
1974,1.71,0.862,0.00189,0.0022299999999999998
1975,1.59,0.753,0.0019199999999999998,0.00219
1976,1.69,0.802,0.00197,0.00215
1977,1.89,0.827,0.00204,0.0022299999999999998
1978,1.91,0.777,0.0021000000000000003,0.0022400000000000002
1979,2.0,0.796,0.00215,0.0022400000000000002
1980,1.86,0.68,0.00221,0.0022400000000000002
1981,1.75,0.608,0.00226,0.0022400000000000002
1982,1.6,0.416,0.00229,0.0022400000000000002
1983,1.55,0.424,0.00229,0.00225
1984,1.81,0.551,0.00234,0.00225
1985,1.62,0.507,0.00239,0.00225
1986,1.79,0.438,0.00246,0.0022400000000000002
1987,1.83,0.439,0.0025499999999999997,0.00222
1988,1.84,0.472,0.00257,0.00219
1989,1.87,0.479,0.00259,0.00221
1990,2.0,0.446,0.00797,0.0022299999999999998
1991,1.79,0.428,0.00801,0.0022299999999999998
1992,1.84,0.408,0.00795,0.00222
1993,2.02,0.465,0.0072,0.0022
1994,2.04,0.465,0.00683,0.00218
1995,1.99,0.482,0.0062900000000000005,0.0022299999999999998
1996,2.25,0.494,0.00583,0.0022400000000000002
1997,2.12,0.523,0.0055899999999999995,0.0022400000000000002
1998,2.13,0.602,0.00496,0.00215
1999,2.11,0.695,0.00433,0.0022
2000,2.24,0.702,0.00452,0.00221
2001,2.18,0.864,0.004,0.0022
2002,2.28,0.908,0.00379,0.0022
2003,2.26,0.887,0.0034300000000000003,0.0022
2004,2.31,0.924,0.00436,0.00264
2005,2.28,0.937,0.00373,0.0030800000000000003
2006,2.36,0.999,0.0039900000000000005,0.00352
2007,2.39,1.13,0.00409,0.00396
2008,2.24,1.68,0.00387,0.0044
2009,2.15,1.73,0.00344,0.00484
2010,2.08,1.72,0.00327,0.00528
2011,1.99,1.71,0.00342,0.006030000000000001
2012,1.97,1.77,0.0031,0.006900000000000001
2013,2.07,1.79,0.00312,0.00704
2014,2.11,1.73,0.0034300000000000003,0.006679999999999999
2015,2.24,1.77,0.004,0.00619
2016,2.46,1.74,0.00415,0.00674
2017,2.69,1.8,0.0043,0.00651
2018,2.77,1.8,0.00447,0.0105