year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00968,0.0008010000000000001,5.81e-06,1.4499999999999999e-06
1851,0.010199999999999999,0.000844,6.11e-06,1.52e-06
1852,0.0107,0.000889,6.44e-06,1.6000000000000001e-06
1853,0.011300000000000001,0.0009379999999999999,6.799999999999999e-06,1.6900000000000001e-06
1854,0.0119,0.000989,7.17e-06,1.78e-06
1855,0.0126,0.0010400000000000001,7.56e-06,1.88e-06
1856,0.013300000000000001,0.0011,7.98e-06,1.98e-06
1857,0.014,0.00116,8.41e-06,2.09e-06
1858,0.0147,0.00122,8.85e-06,2.2e-06
1859,0.0155,0.00128,9.31e-06,2.32e-06
1860,0.016300000000000002,0.00135,9.79e-06,2.44e-06
1861,0.0171,0.0014199999999999998,1.03e-05,2.56e-06
1862,0.018,0.00149,1.08e-05,2.69e-06
1863,0.0189,0.00156,1.1299999999999999e-05,2.82e-06
1864,0.0198,0.00164,1.1900000000000001e-05,2.96e-06
1865,0.0208,0.00172,1.25e-05,3.11e-06
1866,0.0218,0.00181,1.31e-05,3.2599999999999997e-06
1867,0.0229,0.0019,1.3700000000000001e-05,3.42e-06
1868,0.024,0.00199,1.44e-05,3.59e-06
1869,0.0252,0.00209,1.5100000000000001e-05,3.76e-06
1870,0.0264,0.00219,1.58e-05,3.9399999999999995e-06
1871,0.0277,0.00229,1.66e-05,4.13e-06
1872,0.029,0.0024100000000000002,1.74e-05,4.34e-06
1873,0.0305,0.00252,1.83e-05,4.5500000000000005e-06
1874,0.032,0.00265,1.92e-05,4.78e-06
1875,0.033600000000000005,0.00278,2.02e-05,5.02e-06
1876,0.0352,0.00292,2.12e-05,5.26e-06
1877,0.036899999999999995,0.0030600000000000002,2.22e-05,5.52e-06
1878,0.038700000000000005,0.0032,2.3199999999999998e-05,5.7800000000000006e-06
1879,0.0405,0.00335,2.4299999999999998e-05,6.040000000000001e-06
1880,0.0423,0.0035,2.5399999999999997e-05,6.3200000000000005e-06
1881,0.0441,0.00366,2.65e-05,6.5900000000000004e-06
1882,0.046,0.00381,2.76e-05,6.88e-06
1883,0.048,0.0039700000000000004,2.88e-05,7.17e-06
1884,0.05,0.00414,2.9999999999999997e-05,7.4700000000000005e-06
1885,0.0521,0.00432,3.13e-05,7.78e-06
1886,0.054299999999999994,0.00449,3.26e-05,8.109999999999999e-06
1887,0.0565,0.00468,3.39e-05,8.439999999999999e-06
1888,0.0588,0.00487,3.53e-05,8.789999999999999e-06
1889,0.0613,0.00507,3.68e-05,9.15e-06
1890,0.06720000000000001,0.00504,4.0300000000000004e-05,1e-05
1891,0.0697,0.00505,4.18e-05,1.0399999999999999e-05
1892,0.0723,0.005059999999999999,4.34e-05,1.08e-05
1893,0.0752,0.00508,4.5199999999999994e-05,1.12e-05
1894,0.0783,0.00509,4.7e-05,1.17e-05
1895,0.08159999999999999,0.00511,4.9000000000000005e-05,1.22e-05
1896,0.0851,0.00513,5.1e-05,1.2699999999999999e-05
1897,0.0886,0.00515,5.32e-05,1.32e-05
1898,0.09240000000000001,0.00517,5.55e-05,1.38e-05
1899,0.0963,0.00519,5.7799999999999995e-05,1.44e-05
1900,0.1,0.00522,6.02e-05,1.4999999999999999e-05
1901,0.105,0.00524,6.28e-05,1.56e-05
1902,0.11,0.0052699999999999995,6.58e-05,1.6400000000000002e-05
1903,0.115,0.0053,6.92e-05,1.72e-05
1904,0.121,0.00533,7.26e-05,1.8100000000000003e-05
1905,0.127,0.00537,7.620000000000001e-05,1.9e-05
1906,0.133,0.0054,7.97e-05,1.98e-05
1907,0.138,0.00544,8.309999999999999e-05,2.07e-05
1908,0.144,0.00549,8.62e-05,2.1499999999999997e-05
1909,0.148,0.00553,8.9e-05,2.2100000000000002e-05
1910,0.152,0.00558,9.14e-05,2.2700000000000003e-05
1911,0.155,0.00563,9.329999999999999e-05,2.3199999999999998e-05
1912,0.158,0.005679999999999999,9.510000000000001e-05,2.37e-05
1913,0.161,0.005730000000000001,9.66e-05,2.4e-05
1914,0.163,0.00579,9.810000000000001e-05,2.44e-05
1915,0.166,0.005849999999999999,9.94e-05,2.47e-05
1916,0.168,0.0059299999999999995,0.000101,2.51e-05
1917,0.17,0.00601,0.000102,2.5399999999999997e-05
1918,0.173,0.0060999999999999995,0.000104,2.58e-05
1919,0.175,0.0062,0.00010499999999999999,2.62e-05
1920,0.178,0.00632,0.000107,2.6700000000000002e-05
1921,0.182,0.00651,0.00010899999999999999,2.7199999999999997e-05
1922,0.186,0.00679,0.000112,2.7799999999999998e-05
1923,0.191,0.00715,0.000115,2.85e-05
1924,0.196,0.00758,0.000118,2.92e-05
1925,0.201,0.00805,0.00011999999999999999,2.9999999999999997e-05
1926,0.206,0.00855,0.000123,3.07e-05
1927,0.21,0.00906,0.000126,3.14e-05
1928,0.214,0.00956,0.000128,3.2e-05
1929,0.217,0.01,0.00013000000000000002,3.24e-05
1930,0.219,0.0105,0.000132,3.2800000000000004e-05
1931,0.221,0.0109,0.000133,3.3e-05
1932,0.223,0.011300000000000001,0.000134,3.33e-05
1933,0.224,0.011699999999999999,0.000135,3.35e-05
1934,0.226,0.0121,0.000136,3.37e-05
1935,0.227,0.0125,0.000136,3.39e-05
1936,0.228,0.0129,0.00013700000000000002,3.4099999999999995e-05
1937,0.229,0.013300000000000001,0.00013800000000000002,3.4200000000000005e-05
1938,0.23,0.013699999999999999,0.00013800000000000002,3.43e-05
1939,0.23,0.014,0.00013800000000000002,3.44e-05
1940,0.23,0.0144,0.00013800000000000002,3.44e-05
1941,0.23,0.0147,0.00013800000000000002,3.44e-05
1942,0.229,0.015,0.00013700000000000002,3.4200000000000005e-05
1943,0.227,0.015300000000000001,0.000136,3.39e-05
1944,0.225,0.0155,0.000135,3.36e-05
1945,0.223,0.0158,0.000134,3.33e-05
1946,0.221,0.016,0.000133,3.3e-05
1947,0.219,0.016300000000000002,0.000131,3.27e-05
1948,0.217,0.0167,0.00013000000000000002,3.24e-05
1949,0.216,0.0171,0.00013000000000000002,3.23e-05
1950,0.246,0.0176,0.000147,3.6700000000000004e-05
1951,0.257,0.0184,0.000154,3.83e-05
1952,0.242,0.0195,0.000145,3.61e-05
1953,0.231,0.0209,0.00013900000000000002,3.4500000000000005e-05
1954,0.312,0.022600000000000002,0.000187,4.66e-05
1955,0.341,0.0245,0.000205,5.0900000000000004e-05
1956,0.297,0.026600000000000002,0.000178,4.44e-05
1957,0.308,0.0287,0.000185,4.6e-05
1958,0.33,0.031,0.00019800000000000002,4.93e-05
1959,0.389,0.033299999999999996,0.00023300000000000003,5.8099999999999996e-05
1960,0.337,0.0355,0.000202,5.04e-05
1961,0.293,0.0378,0.000176,4.38e-05
1962,0.33,0.0405,0.00019800000000000002,4.93e-05
1963,0.411,0.0434,0.000246,6.13e-05
1964,0.499,0.0465,0.000299,7.45e-05
1965,0.473,0.0496,0.00028399999999999996,7.07e-05
1966,0.414,0.052700000000000004,0.000249,6.19e-05
1967,0.521,0.055799999999999995,0.000313,7.78e-05
1968,0.638,0.0587,0.000383,9.53e-05
1969,0.653,0.061399999999999996,0.00039200000000000004,9.75e-05
1970,0.664,0.0574,0.000345,0.000128
1971,0.66,0.0574,0.00034599999999999995,0.000106
1972,0.84,0.0574,0.000347,0.000128
1973,0.807,0.0574,0.000347,6.379999999999999e-05
1974,0.748,0.0565,0.000348,4.23e-05
1975,0.667,0.0559,0.00034899999999999997,4.46e-05
1976,0.763,0.054,0.00035,4.38e-05
1977,0.803,0.0575,0.00035099999999999997,0.000134
1978,0.935,0.054799999999999995,0.00035099999999999997,0.00013900000000000002
1979,0.906,0.056100000000000004,0.000352,0.000123
1980,1.02,0.0581,0.00035299999999999996,0.000252
1981,1.14,0.0595,0.000354,5.23e-05
1982,1.31,0.0596,0.00035499999999999996,5.33e-05
1983,0.997,0.039799999999999995,0.00035499999999999996,0.000136
1984,1.36,0.0405,0.000356,0.000135
1985,1.2,0.0405,0.000357,0.000287
1986,1.49,0.0381,0.000358,0.00028599999999999996
1987,1.86,0.039299999999999995,0.000359,0.000285
1988,2.01,0.038700000000000005,0.000359,0.000287
1989,2.17,0.038799999999999994,0.00035999999999999997,0.00029
1990,2.16,0.0363,0.000245,0.00029299999999999997
1991,2.06,0.036899999999999995,0.000245,0.000294
1992,2.02,0.0366,0.000245,0.000303
1993,2.65,0.0371,0.000245,0.000305
1994,2.42,0.0381,0.000245,0.000306
1995,2.12,0.0376,0.000245,0.00031
1996,2.24,0.041100000000000005,0.000245,0.000313
1997,2.52,0.044700000000000004,0.000245,0.000321
1998,2.15,0.040799999999999996,0.000229,0.00033
1999,2.35,0.040799999999999996,0.000229,0.00034399999999999996
2000,2.06,0.032799999999999996,0.000229,0.00035099999999999997
2001,2.49,0.0354,0.000229,0.000358
2002,2.3,0.0357,0.000229,0.000364
2003,2.58,0.0335,0.000229,0.000371
2004,2.57,0.0409,0.000214,0.000378
2005,2.7,0.0437,0.000214,0.00038500000000000003
2006,2.57,0.0503,0.000214,0.00039200000000000004
2007,2.72,0.045899999999999996,0.000214,0.000398
2008,2.56,0.041100000000000005,0.000242,0.00040500000000000003
2009,2.4,0.0352,0.000323,0.000412
2010,2.56,0.045700000000000005,0.00035999999999999997,0.000419
2011,2.54,0.032299999999999995,0.000477,0.000425
2012,2.68,0.055799999999999995,0.00042699999999999997,0.000432
2013,2.34,0.056,0.000247,0.000439
2014,2.35,0.0572,0.000446,0.000446
2015,2.58,0.0582,0.00037,0.000453
2016,2.7,0.060700000000000004,0.000373,0.00045900000000000004
2017,2.78,0.0633,0.000376,0.00046600000000000005
2018,2.8,0.06609999999999999,0.000378,0.00047299999999999995