year,IPC1,IPC2,IPCMAG
1850,0.00131,6.0400000000000004e-05,1.29e-06
1851,0.00138,6.35e-05,1.35e-06
1852,0.00145,6.7e-05,1.43e-06
1853,0.0015300000000000001,7.06e-05,1.5e-06
1854,0.0016200000000000001,7.45e-05,1.59e-06
1855,0.00171,7.86e-05,1.67e-06
1856,0.0018,8.29e-05,1.77e-06
1857,0.0019,8.740000000000001e-05,1.8600000000000002e-06
1858,0.002,9.2e-05,1.96e-06
1859,0.0021000000000000003,9.68e-05,2.06e-06
1860,0.00221,0.000102,2.17e-06
1861,0.00232,0.000107,2.2799999999999998e-06
1862,0.00244,0.000112,2.39e-06
1863,0.00256,0.000118,2.51e-06
1864,0.00268,0.000124,2.63e-06
1865,0.00282,0.00013000000000000002,2.7699999999999997e-06
1866,0.00296,0.000136,2.8999999999999998e-06
1867,0.0031,0.00014299999999999998,3.04e-06
1868,0.00325,0.00015,3.19e-06
1869,0.0034100000000000003,0.000157,3.35e-06
1870,0.00357,0.000165,3.5100000000000003e-06
1871,0.00375,0.00017299999999999998,3.68e-06
1872,0.00393,0.00018099999999999998,3.86e-06
1873,0.00413,0.00019,4.05e-06
1874,0.00433,0.0002,4.25e-06
1875,0.00455,0.00020999999999999998,4.47e-06
1876,0.00477,0.00022,4.68e-06
1877,0.005,0.00023,4.9100000000000004e-06
1878,0.00524,0.000241,5.14e-06
1879,0.0054800000000000005,0.000252,5.38e-06
1880,0.005730000000000001,0.000264,5.62e-06
1881,0.00598,0.000275,5.8700000000000005e-06
1882,0.00623,0.000287,6.12e-06
1883,0.0065,0.000299,6.38e-06
1884,0.00677,0.000312,6.65e-06
1885,0.0070599999999999994,0.000325,6.9300000000000006e-06
1886,0.00735,0.000339,7.2100000000000004e-06
1887,0.0076500000000000005,0.00035299999999999996,7.51e-06
1888,0.00797,0.000367,7.820000000000001e-06
1889,0.0083,0.000382,8.14e-06
1890,0.00906,0.000376,8.89e-06
1891,0.00939,0.000376,9.220000000000002e-06
1892,0.00975,0.000376,9.57e-06
1893,0.0101,0.000376,9.950000000000001e-06
1894,0.0105,0.000376,1.03e-05
1895,0.011,0.000376,1.08e-05
1896,0.0114,0.000376,1.12e-05
1897,0.0119,0.000376,1.17e-05
1898,0.0124,0.000376,1.22e-05
1899,0.0129,0.000376,1.2699999999999999e-05
1900,0.0134,0.000376,1.32e-05
1901,0.014,0.000376,1.3700000000000001e-05
1902,0.0147,0.000376,1.44e-05
1903,0.0154,0.000377,1.5100000000000001e-05
1904,0.0162,0.000377,1.59e-05
1905,0.0169,0.000377,1.66e-05
1906,0.0177,0.000377,1.74e-05
1907,0.0184,0.000377,1.8100000000000003e-05
1908,0.019100000000000002,0.000378,1.87e-05
1909,0.0197,0.000378,1.93e-05
1910,0.0202,0.000379,1.98e-05
1911,0.0206,0.000388,2.02e-05
1912,0.0209,0.000412,2.05e-05
1913,0.0212,0.000451,2.0799999999999997e-05
1914,0.0215,0.000501,2.11e-05
1915,0.0218,0.0005600000000000001,2.14e-05
1916,0.022,0.000627,2.16e-05
1917,0.0223,0.000699,2.19e-05
1918,0.022600000000000002,0.000775,2.2100000000000002e-05
1919,0.0229,0.000853,2.24e-05
1920,0.0232,0.000929,2.2800000000000002e-05
1921,0.0235,0.00101,2.31e-05
1922,0.023899999999999998,0.0011,2.34e-05
1923,0.0242,0.0012,2.3800000000000003e-05
1924,0.0246,0.00131,2.41e-05
1925,0.0249,0.0014199999999999998,2.4500000000000003e-05
1926,0.0253,0.00155,2.49e-05
1927,0.0258,0.0016799999999999999,2.53e-05
1928,0.0263,0.00183,2.58e-05
1929,0.0268,0.00198,2.63e-05
1930,0.0275,0.00213,2.7e-05
1931,0.028300000000000002,0.0023,2.7799999999999998e-05
1932,0.0293,0.0024700000000000004,2.88e-05
1933,0.030600000000000002,0.00265,2.9999999999999997e-05
1934,0.032100000000000004,0.0028399999999999996,3.15e-05
1935,0.0337,0.0030600000000000002,3.3e-05
1936,0.0354,0.0033,3.47e-05
1937,0.0371,0.0035600000000000002,3.65e-05
1938,0.039,0.0038599999999999997,3.83e-05
1939,0.040799999999999996,0.00418,4.01e-05
1940,0.0426,0.00455,4.18e-05
1941,0.0444,0.00504,4.36e-05
1942,0.046299999999999994,0.0057,4.5400000000000006e-05
1943,0.0482,0.00651,4.7300000000000005e-05
1944,0.0501,0.00745,4.92e-05
1945,0.0522,0.008490000000000001,5.1200000000000004e-05
1946,0.0544,0.009609999999999999,5.3400000000000004e-05
1947,0.0567,0.0108,5.5599999999999996e-05
1948,0.0591,0.012,5.8e-05
1949,0.0885,0.0132,8.690000000000001e-05
1950,0.106,0.00894,0.000104
1951,0.139,0.00968,0.00013700000000000002
1952,0.143,0.0104,0.00014000000000000001
1953,0.198,0.0221,0.000194
1954,0.198,0.0338,0.000194
1955,0.238,0.038299999999999994,0.00023400000000000002
1956,0.235,0.0428,0.00023
1957,0.235,0.0583,0.00023
1958,0.242,0.06659999999999999,0.00023799999999999998
1959,0.374,0.0567,0.000367
1960,0.385,0.054299999999999994,0.000378
1961,0.374,0.0518,0.000367
1962,0.4,0.0495,0.00039200000000000004
1963,0.407,0.047200000000000006,0.000399
1964,0.455,0.0595,0.000446
1965,0.561,0.0902,0.0005510000000000001
1966,0.675,0.0847,0.000662
1967,0.741,0.0975,0.000727
1968,0.906,0.107,0.000889
1969,1.09,0.12,0.00107
1970,1.35,0.127,0.000851
1971,1.34,0.135,0.0009360000000000001
1972,1.3,0.118,0.000851
1973,1.11,0.104,0.000851
1974,1.12,0.112,0.000339
1975,1.09,0.0837,0.000201
1976,0.946,0.0799,0.000219
1977,0.766,0.077,6.69e-05
1978,0.66,0.07709999999999999,6.950000000000001e-05
1979,0.649,0.0643,9.84e-05
1980,0.623,0.0444,0.000176
1981,0.524,0.0451,0.000131
1982,0.539,0.0502,8e-05
1983,0.605,0.0544,0.00010899999999999999
1984,0.572,0.055600000000000004,0.000108
1985,0.609,0.0572,0.000153
1986,0.697,0.055799999999999995,0.000237
1987,0.766,0.0562,0.000285
1988,0.858,0.0628,0.00028799999999999995
1989,0.796,0.06459999999999999,0.00029
1990,0.744,0.0724,0.000292
1991,0.755,0.0846,0.000294
1992,0.763,0.0861,0.0003
1993,0.755,0.0878,0.000305
1994,0.689,0.0837,0.000306
1995,0.895,0.108,0.00031
1996,0.935,0.183,0.00040100000000000004
1997,0.965,0.193,0.000566
1998,1.1,0.206,0.00066
1999,1.14,0.22,0.0006670000000000001
2000,1.25,0.232,0.00101
2001,1.3,0.265,0.0013700000000000001
2002,1.31,0.299,0.00138
2003,1.35,0.308,0.00175
2004,1.46,0.334,0.0021000000000000003
2005,1.86,0.363,0.00254
2006,2.23,0.351,0.00267
2007,2.57,0.401,0.000934
2008,2.61,0.6,0.0010500000000000002
2009,2.81,0.596,0.00121
2010,3.26,0.685,0.00176
2011,3.44,0.798,0.000661
2012,3.19,0.858,0.00015099999999999998
2013,3.87,0.977,0.00125
2014,4.17,1.03,0.00125
2015,4.21,1.09,0.00124
2016,4.3,1.15,0.00123
2017,4.53,1.15,0.00122
2018,4.66,1.15,0.00121