year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000257,8.3e-05,2.33e-07,1.6300000000000002e-07
1851,0.00027100000000000003,8.740000000000001e-05,2.45e-07,1.72e-07
1852,0.000285,9.21e-05,2.5900000000000003e-07,1.8100000000000002e-07
1853,0.000301,9.71e-05,2.73e-07,1.91e-07
1854,0.00031800000000000003,0.000102,2.88e-07,2.02e-07
1855,0.000335,0.000108,3.04e-07,2.13e-07
1856,0.00035299999999999996,0.000114,3.2e-07,2.24e-07
1857,0.000372,0.00011999999999999999,3.37e-07,2.36e-07
1858,0.00039200000000000004,0.000126,3.55e-07,2.4899999999999997e-07
1859,0.000412,0.000133,3.74e-07,2.6200000000000004e-07
1860,0.000433,0.00014000000000000001,3.93e-07,2.75e-07
1861,0.000455,0.000147,4.12e-07,2.8899999999999995e-07
1862,0.00047799999999999996,0.000154,4.33e-07,3.03e-07
1863,0.000502,0.000162,4.55e-07,3.19e-07
1864,0.000527,0.00017,4.769999999999999e-07,3.34e-07
1865,0.000553,0.000178,5.01e-07,3.51e-07
1866,0.00058,0.000187,5.26e-07,3.68e-07
1867,0.000609,0.00019600000000000002,5.52e-07,3.86e-07
1868,0.000639,0.000206,5.79e-07,4.05e-07
1869,0.000669,0.000216,6.07e-07,4.2499999999999995e-07
1870,0.0007019999999999999,0.00022600000000000002,6.359999999999999e-07,4.45e-07
1871,0.000736,0.000237,6.669999999999999e-07,4.6700000000000004e-07
1872,0.000772,0.000249,6.99e-07,4.9e-07
1873,0.0008110000000000001,0.000262,7.34e-07,5.140000000000001e-07
1874,0.000851,0.000275,7.71e-07,5.4e-07
1875,0.000893,0.00028799999999999995,8.09e-07,5.67e-07
1876,0.000937,0.00030199999999999997,8.49e-07,5.95e-07
1877,0.000982,0.000317,8.9e-07,6.23e-07
1878,0.00103,0.000332,9.32e-07,6.53e-07
1879,0.00108,0.000347,9.75e-07,6.83e-07
1880,0.0011200000000000001,0.000363,1.02e-06,7.13e-07
1881,0.00117,0.000379,1.06e-06,7.44e-07
1882,0.00122,0.000395,1.1100000000000002e-06,7.77e-07
1883,0.00128,0.000412,1.16e-06,8.1e-07
1884,0.00133,0.000429,1.2e-06,8.44e-07
1885,0.00139,0.000447,1.26e-06,8.79e-07
1886,0.0014399999999999999,0.00046600000000000005,1.31e-06,9.15e-07
1887,0.0015,0.00048499999999999997,1.3600000000000001e-06,9.529999999999999e-07
1888,0.00156,0.000505,1.42e-06,9.93e-07
1889,0.00163,0.000526,1.48e-06,1.03e-06
1890,0.0017800000000000001,0.000517,1.61e-06,1.13e-06
1891,0.00184,0.000517,1.67e-06,1.17e-06
1892,0.00191,0.000517,1.73e-06,1.2099999999999998e-06
1893,0.00199,0.000517,1.8e-06,1.26e-06
1894,0.00207,0.000517,1.88e-06,1.31e-06
1895,0.00215,0.000517,1.95e-06,1.37e-06
1896,0.0022400000000000002,0.000517,2.03e-06,1.42e-06
1897,0.00234,0.000517,2.12e-06,1.48e-06
1898,0.0024300000000000003,0.000517,2.2e-06,1.5399999999999999e-06
1899,0.0025299999999999997,0.000517,2.29e-06,1.61e-06
1900,0.00263,0.000517,2.39e-06,1.67e-06
1901,0.00275,0.000517,2.49e-06,1.74e-06
1902,0.0028799999999999997,0.000517,2.61e-06,1.83e-06
1903,0.00302,0.000518,2.74e-06,1.9200000000000003e-06
1904,0.00317,0.000518,2.87e-06,2.0100000000000002e-06
1905,0.00332,0.000518,3.01e-06,2.1099999999999997e-06
1906,0.00347,0.000519,3.15e-06,2.2e-06
1907,0.00362,0.000519,3.28e-06,2.29e-06
1908,0.00375,0.000519,3.3999999999999996e-06,2.38e-06
1909,0.0038599999999999997,0.0005200000000000001,3.5e-06,2.45e-06
1910,0.00396,0.000521,3.59e-06,2.51e-06
1911,0.004030000000000001,0.000533,3.66e-06,2.56e-06
1912,0.0040999999999999995,0.0005669999999999999,3.7200000000000004e-06,2.5999999999999997e-06
1913,0.0041600000000000005,0.00062,3.77e-06,2.64e-06
1914,0.00422,0.0006879999999999999,3.82e-06,2.68e-06
1915,0.0042699999999999995,0.0007700000000000001,3.87e-06,2.7100000000000003e-06
1916,0.00432,0.000862,3.92e-06,2.74e-06
1917,0.00437,0.000962,3.96e-06,2.78e-06
1918,0.00443,0.00107,4.01e-06,2.81e-06
1919,0.00449,0.00117,4.07e-06,2.8500000000000002e-06
1920,0.00455,0.00128,4.13e-06,2.8900000000000003e-06
1921,0.00462,0.00139,4.1900000000000005e-06,2.93e-06
1922,0.004690000000000001,0.00151,4.25e-06,2.97e-06
1923,0.00475,0.00165,4.309999999999999e-06,3.0200000000000003e-06
1924,0.0048200000000000005,0.0018,4.37e-06,3.06e-06
1925,0.004900000000000001,0.00196,4.440000000000001e-06,3.11e-06
1926,0.00498,0.00213,4.51e-06,3.1600000000000002e-06
1927,0.005059999999999999,0.00231,4.59e-06,3.21e-06
1928,0.0051600000000000005,0.0025099999999999996,4.68e-06,3.27e-06
1929,0.0052699999999999995,0.00272,4.77e-06,3.34e-06
1930,0.00539,0.0029300000000000003,4.890000000000001e-06,3.42e-06
1931,0.00555,0.00316,5.03e-06,3.52e-06
1932,0.0057599999999999995,0.0033900000000000002,5.22e-06,3.65e-06
1933,0.00601,0.00364,5.4400000000000004e-06,3.81e-06
1934,0.0062900000000000005,0.00391,5.7000000000000005e-06,3.99e-06
1935,0.00661,0.004200000000000001,5.98e-06,4.1900000000000005e-06
1936,0.00694,0.00453,6.29e-06,4.4e-06
1937,0.00729,0.004889999999999999,6.61e-06,4.63e-06
1938,0.0076500000000000005,0.0053,6.9300000000000006e-06,4.86e-06
1939,0.00801,0.00575,7.26e-06,5.0800000000000005e-06
1940,0.008369999999999999,0.00626,7.58e-06,5.31e-06
1941,0.00872,0.0069299999999999995,7.9e-06,5.5399999999999995e-06
1942,0.009089999999999999,0.00783,8.229999999999999e-06,5.77e-06
1943,0.009460000000000001,0.00895,8.57e-06,6e-06
1944,0.00984,0.010199999999999999,8.920000000000001e-06,6.25e-06
1945,0.010199999999999999,0.011699999999999999,9.28e-06,6.5e-06
1946,0.0107,0.0132,9.67e-06,6.7699999999999996e-06
1947,0.0111,0.0148,1.01e-05,7.06e-06
1948,0.0116,0.0165,1.0500000000000001e-05,7.37e-06
1949,0.0121,0.0181,1.1e-05,7.69e-06
1950,0.0127,0.0198,1.15e-05,8.040000000000001e-06
1951,0.013300000000000001,0.0214,1.21e-05,8.47e-06
1952,0.014199999999999999,0.023,1.2800000000000001e-05,8.98e-06
1953,0.015099999999999999,0.0248,1.3700000000000001e-05,9.57e-06
1954,0.0161,0.0265,1.46e-05,1.02e-05
1955,0.0171,0.028399999999999998,1.55e-05,1.08e-05
1956,0.0181,0.0304,1.6400000000000002e-05,1.15e-05
1957,0.019100000000000002,0.0325,1.73e-05,1.21e-05
1958,0.019899999999999998,0.0347,1.8100000000000003e-05,1.2699999999999999e-05
1959,0.0207,0.0371,1.87e-05,1.31e-05
1960,0.0213,0.0396,1.93e-05,1.35e-05
1961,0.0217,0.0423,1.9699999999999998e-05,1.38e-05
1962,0.0222,0.0451,2.01e-05,1.41e-05
1963,0.022600000000000002,0.048100000000000004,2.05e-05,1.44e-05
1964,0.023100000000000002,0.0513,2.09e-05,1.46e-05
1965,0.024,0.054799999999999995,2.17e-05,1.52e-05
1966,0.0419,0.0586,3.7900000000000006e-05,2.66e-05
1967,0.0471,0.0628,4.27e-05,2.99e-05
1968,0.0545,0.0674,4.94e-05,3.46e-05
1969,0.0586,0.0726,5.31e-05,3.7199999999999996e-05
1970,0.0679,0.0636,6.15e-05,4.31e-05
1971,0.0733,0.06420000000000001,6.64e-05,4.65e-05
1972,0.0737,0.06470000000000001,6.68e-05,4.68e-05
1973,0.08109999999999999,0.06620000000000001,7.35e-05,5.14e-05
1974,0.0792,0.0655,7.18e-05,5.0299999999999996e-05
1975,0.0952,0.0549,8.63e-05,6.0400000000000004e-05
1976,0.157,0.0428,0.00014199999999999998,9.95e-05
1977,0.19,0.0442,0.00017199999999999998,0.00011999999999999999
1978,0.216,0.0361,0.00019600000000000002,0.00013700000000000002
1979,0.234,0.0421,0.000212,0.000148
1980,0.242,0.0404,0.00022,0.000154
1981,0.314,0.0402,0.000285,0.0002
1982,0.324,0.046299999999999994,0.00029299999999999997,0.000205
1983,0.295,0.0386,0.00026700000000000004,0.000187
1984,0.304,0.0341,0.000275,0.000193
1985,0.351,0.0359,0.00031800000000000003,0.000223
1986,0.393,0.038200000000000005,0.000356,0.00025
1987,0.401,0.0679,0.000363,0.000254
1988,0.45,0.0689,0.00040699999999999997,0.000285
1989,0.497,0.0644,0.00045,0.000315
1990,0.844,0.0588,0.0007650000000000001,0.000536
1991,0.924,0.02,0.000837,0.0005859999999999999
1992,1.01,0.0197,0.000915,0.000641
1993,1.22,0.0198,0.0011,0.000771
1994,1.38,0.023100000000000002,0.001,0.0003
1995,1.42,0.0241,0.001,0.0003
1996,1.51,0.0233,0.001,0.0003
1997,1.56,0.0254,0.0011,0.0003
1998,1.7,0.0251,0.0011,0.0003
1999,1.83,0.0251,0.0012,0.0002
2000,1.87,0.025,0.0012,0.0005
2001,2.05,0.0247,0.0013,0.003
2002,2.09,0.0268,0.0013,0.0021000000000000003
2003,2.38,0.11,0.0014,0.0009
2004,2.44,0.237,0.0014,0.0006
2005,2.59,0.26,0.0015,0.0002
2006,2.74,0.255,0.0016,0.0001
2007,2.82,0.293,0.0017,0.0003
2008,2.67,0.291,0.0017,5.2e-05
2009,2.75,0.303,0.0018,0.0002
2010,2.84,0.3,0.0019,8e-05
2011,2.71,0.438,0.0021000000000000003,0.0004
2012,2.92,0.515,0.0023,0.0005
2013,2.78,0.528,0.0023,0.0003
2014,3.14,0.522,0.0024,0.0003
2015,3.22,0.511,0.00242,0.0
2016,3.27,0.483,0.0025099999999999996,0.0
2017,3.49,0.46,0.0026,0.0
2018,3.43,0.443,0.00269,0.0