year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000501,8.76e-06,0.00176,0.016
1851,0.000503,9.5e-06,0.0017900000000000001,0.016
1852,0.0005110000000000001,1.03e-05,0.00181,0.016
1853,0.000524,1.1299999999999999e-05,0.00183,0.016
1854,0.0005420000000000001,1.23e-05,0.00185,0.016
1855,0.000565,1.35e-05,0.00188,0.016
1856,0.000592,1.47e-05,0.0019,0.016
1857,0.000624,1.6e-05,0.0019199999999999998,0.016
1858,0.000661,1.7500000000000002e-05,0.0019399999999999999,0.016
1859,0.0007019999999999999,1.9e-05,0.00196,0.016
1860,0.000747,2.05e-05,0.00198,0.016
1861,0.000796,2.22e-05,0.00199,0.0161
1862,0.00085,2.4e-05,0.0020099999999999996,0.0161
1863,0.000907,2.58e-05,0.0020299999999999997,0.0161
1864,0.000968,2.77e-05,0.00204,0.0161
1865,0.00103,2.97e-05,0.00206,0.0161
1866,0.0011,3.17e-05,0.0020800000000000003,0.0162
1867,0.00117,3.3799999999999995e-05,0.00209,0.0162
1868,0.00125,3.5999999999999994e-05,0.00211,0.0162
1869,0.00133,3.83e-05,0.00213,0.0162
1870,0.00141,4.06e-05,0.00215,0.016300000000000002
1871,0.00149,4.29e-05,0.00217,0.016300000000000002
1872,0.00158,4.53e-05,0.0022,0.016300000000000002
1873,0.0016699999999999998,4.78e-05,0.00222,0.016399999999999998
1874,0.00176,5.0299999999999996e-05,0.00225,0.016399999999999998
1875,0.00186,5.2900000000000005e-05,0.00228,0.016399999999999998
1876,0.00195,5.55e-05,0.00231,0.0165
1877,0.0020499999999999997,5.82e-05,0.00234,0.0165
1878,0.00216,6.08e-05,0.00237,0.0166
1879,0.00226,6.36e-05,0.0024100000000000002,0.0166
1880,0.0023599999999999997,6.63e-05,0.00244,0.0166
1881,0.0024700000000000004,6.91e-05,0.0024700000000000004,0.0167
1882,0.0025800000000000003,7.199999999999999e-05,0.0025,0.0167
1883,0.00269,7.48e-05,0.0025299999999999997,0.016800000000000002
1884,0.0028,7.77e-05,0.00256,0.016800000000000002
1885,0.00292,8.060000000000001e-05,0.00259,0.0169
1886,0.0030299999999999997,8.36e-05,0.00262,0.0169
1887,0.00315,8.649999999999999e-05,0.00265,0.017
1888,0.00326,8.95e-05,0.00269,0.017
1889,0.0033799999999999998,9.25e-05,0.00272,0.0171
1890,0.00365,0.00014399999999999998,0.00277,0.0182
1891,0.00377,0.000155,0.00277,0.0171
1892,0.0039,0.00016700000000000002,0.00277,0.0161
1893,0.00404,0.000182,0.00278,0.015099999999999999
1894,0.00418,0.00019800000000000002,0.00279,0.014199999999999999
1895,0.00433,0.000216,0.0028,0.0134
1896,0.0044800000000000005,0.000236,0.00281,0.0127
1897,0.00464,0.000258,0.00282,0.0121
1898,0.0048,0.00028000000000000003,0.00283,0.011699999999999999
1899,0.00497,0.000304,0.00285,0.0114
1900,0.00514,0.000328,0.0028599999999999997,0.0114
1901,0.00534,0.000356,0.00289,0.0114
1902,0.00557,0.000391,0.00292,0.0115
1903,0.00583,0.000431,0.00296,0.0115
1904,0.0060999999999999995,0.000474,0.0030099999999999997,0.0116
1905,0.00636,0.000518,0.00307,0.011800000000000001
1906,0.00661,0.0005620000000000001,0.00313,0.0119
1907,0.00684,0.0006039999999999999,0.0032,0.0121
1908,0.007019999999999999,0.000642,0.00328,0.0123
1909,0.00714,0.000674,0.0033599999999999997,0.0125
1910,0.0072,0.0007,0.00344,0.0127
1911,0.00718,0.000719,0.0035299999999999997,0.013300000000000001
1912,0.00709,0.000736,0.00364,0.0146
1913,0.00696,0.000751,0.00377,0.0165
1914,0.00679,0.0007650000000000001,0.00391,0.0188
1915,0.00661,0.000777,0.004059999999999999,0.0215
1916,0.00643,0.000789,0.00421,0.0245
1917,0.0062699999999999995,0.0008020000000000001,0.00436,0.027600000000000003
1918,0.00613,0.000816,0.00452,0.0308
1919,0.00605,0.0008309999999999999,0.00466,0.0341
1920,0.006030000000000001,0.000848,0.0048,0.037200000000000004
1921,0.006059999999999999,0.000867,0.00492,0.0407
1922,0.00614,0.000887,0.00504,0.0451
1923,0.00625,0.000907,0.00515,0.05
1924,0.00638,0.000929,0.00526,0.055200000000000006
1925,0.00654,0.0009519999999999999,0.00537,0.060399999999999995
1926,0.006730000000000001,0.000977,0.0054800000000000005,0.0653
1927,0.0069299999999999995,0.001,0.0056,0.0697
1928,0.00714,0.00103,0.005730000000000001,0.0731
1929,0.00736,0.00106,0.005860000000000001,0.07540000000000001
1930,0.0075899999999999995,0.0011,0.00601,0.0762
1931,0.00793,0.00114,0.00618,0.0752
1932,0.00844,0.0011899999999999999,0.00636,0.0725
1933,0.00908,0.00124,0.00656,0.0685
1934,0.009800000000000001,0.0013,0.00677,0.0636
1935,0.0105,0.0013700000000000001,0.007,0.0583
1936,0.011300000000000001,0.0014299999999999998,0.00723,0.053
1937,0.0119,0.0015,0.00747,0.048100000000000004
1938,0.0125,0.00156,0.00771,0.0441
1939,0.0129,0.0016200000000000001,0.00796,0.041299999999999996
1940,0.013099999999999999,0.0016799999999999999,0.00821,0.040299999999999996
1941,0.0132,0.00173,0.00846,0.041299999999999996
1942,0.013300000000000001,0.0017800000000000001,0.00871,0.0439
1943,0.0134,0.00182,0.00897,0.047700000000000006
1944,0.0136,0.00186,0.00923,0.0525
1945,0.013699999999999999,0.0019,0.0095,0.0578
1946,0.013900000000000001,0.0019399999999999999,0.009789999999999998,0.0634
1947,0.0141,0.00199,0.0101,0.0688
1948,0.0143,0.0020499999999999997,0.0104,0.0736
1949,0.0145,0.00211,0.0107,0.07759999999999999
1950,0.0147,0.00218,0.011,0.0804
1951,0.015099999999999999,0.00228,0.0114,0.0823
1952,0.0156,0.0024100000000000002,0.011800000000000001,0.084
1953,0.0162,0.00257,0.012199999999999999,0.0856
1954,0.017,0.00276,0.0126,0.0871
1955,0.0179,0.00296,0.013,0.0884
1956,0.0188,0.00317,0.0135,0.0896
1957,0.0197,0.0033900000000000002,0.013900000000000001,0.09079999999999999
1958,0.0206,0.00361,0.0143,0.09179999999999999
1959,0.0213,0.00383,0.0148,0.09290000000000001
1960,0.022,0.004030000000000001,0.0152,0.09390000000000001
1961,0.0224,0.00423,0.0156,0.102
1962,0.022699999999999998,0.00442,0.0161,0.103
1963,0.0229,0.0046,0.0165,0.09570000000000001
1964,0.023100000000000002,0.0048,0.017,0.0935
1965,0.0232,0.0049900000000000005,0.0174,0.09570000000000001
1966,0.0235,0.00519,0.0179,0.0986
1967,0.023899999999999998,0.00541,0.0183,0.102
1968,0.0246,0.00563,0.018699999999999998,0.102
1969,0.027899999999999998,0.00525,0.019,0.0964
1970,0.0305,0.004860000000000001,0.019399999999999997,0.0938
1971,0.0305,0.00438,0.0201,0.09670000000000001
1972,0.0322,0.00453,0.020399999999999998,0.09770000000000001
1973,0.0337,0.0042699999999999995,0.0209,0.1
1974,0.0362,0.00372,0.0213,0.105
1975,0.0353,0.00329,0.023100000000000002,0.109
1976,0.0396,0.00294,0.0229,0.109
1977,0.0419,0.00231,0.023399999999999997,0.107
1978,0.0428,0.0019299999999999999,0.0238,0.107
1979,0.0419,0.00235,0.0242,0.105
1980,0.0425,0.0016899999999999999,0.0247,0.104
1981,0.041100000000000005,0.00166,0.0254,0.104
1982,0.0432,0.0009509999999999999,0.0254,0.105
1983,0.0434,0.00040100000000000004,0.0257,0.105
1984,0.0417,0.000816,0.0268,0.105
1985,0.048299999999999996,0.0008100000000000001,0.0277,0.102
1986,0.0485,0.000695,0.0293,0.0994
1987,0.0487,0.000763,0.0304,0.0998
1988,0.0557,0.0008169999999999999,0.030600000000000002,0.0978
1989,0.0549,0.0009609999999999999,0.030100000000000002,0.0947
1990,0.0605,0.000978,0.0325,0.09340000000000001
1991,0.061200000000000004,0.000553,0.030100000000000002,0.09040000000000001
1992,0.0591,0.000147,0.0305,0.0833
1993,0.0637,0.00014000000000000001,0.0305,0.07970000000000001
1994,0.0572,0.000136,0.0316,0.07590000000000001
1995,0.0603,0.000133,0.0322,0.0714
1996,0.0586,0.000116,0.033100000000000004,0.0673
1997,0.0565,9.470000000000001e-05,0.033100000000000004,0.0664
1998,0.0546,7.32e-05,0.0325,0.0649
1999,0.0536,7.5e-05,0.0349,0.06620000000000001
2000,0.0538,7.03e-05,0.0361,0.0636
2001,0.061,5.4600000000000006e-05,0.0373,0.0644
2002,0.0626,5.2499999999999995e-05,0.037700000000000004,0.0638
2003,0.06620000000000001,5.2499999999999995e-05,0.039700000000000006,0.06459999999999999
2004,0.06620000000000001,7.48e-05,0.0474,0.0685
2005,0.0685,5.32e-05,0.0418,0.0673
2006,0.0747,5.4499999999999997e-05,0.047,0.0688
2007,0.078,5.13e-05,0.055299999999999995,0.06659999999999999
2008,0.0751,4.62e-05,0.0545,0.0625
2009,0.07640000000000001,4.3700000000000005e-05,0.0594,0.0624
2010,0.07790000000000001,4.1099999999999996e-05,0.054299999999999994,0.0597
2011,0.07379999999999999,3.53e-05,0.0575,0.0601
2012,0.06709999999999999,4.5900000000000004e-05,0.0513,0.060200000000000004
2013,0.06470000000000001,4.92e-05,0.0544,0.0572
2014,0.061700000000000005,5.58e-05,0.053700000000000005,0.058
2015,0.0663,5.58e-05,0.0585,0.0564
2016,0.06609999999999999,4.58e-05,0.063,0.0562
2017,0.06520000000000001,4.51e-05,0.0631,0.0567
2018,0.060399999999999995,4.45e-05,0.0611,0.0585