year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00268,9.89e-07,0.0119,0.036899999999999995
1851,0.00269,1.8699999999999999e-06,0.011800000000000001,0.0416
1852,0.00271,2.76e-06,0.011800000000000001,0.046299999999999994
1853,0.00272,3.66e-06,0.011699999999999999,0.0509
1854,0.0027400000000000002,4.57e-06,0.011699999999999999,0.055299999999999995
1855,0.00276,5.49e-06,0.011699999999999999,0.0597
1856,0.00277,6.42e-06,0.0116,0.064
1857,0.00279,7.36e-06,0.0116,0.0682
1858,0.0028,8.3e-06,0.0116,0.0724
1859,0.00282,9.26e-06,0.0116,0.07640000000000001
1860,0.0028399999999999996,1.02e-05,0.0116,0.0804
1861,0.00285,1.12e-05,0.0116,0.0843
1862,0.00287,1.22e-05,0.0116,0.0881
1863,0.00289,1.32e-05,0.0116,0.09179999999999999
1864,0.0029,1.41e-05,0.0116,0.09540000000000001
1865,0.00292,1.52e-05,0.0115,0.0989
1866,0.00294,1.62e-05,0.0115,0.102
1867,0.00296,1.72e-05,0.0115,0.106
1868,0.00297,1.8200000000000002e-05,0.0115,0.109
1869,0.00299,1.92e-05,0.0115,0.112
1870,0.0030099999999999997,2.03e-05,0.0115,0.115
1871,0.0030299999999999997,2.13e-05,0.0115,0.118
1872,0.0030499999999999998,2.24e-05,0.0116,0.121
1873,0.00307,2.34e-05,0.0116,0.124
1874,0.0030800000000000003,2.4500000000000003e-05,0.0116,0.127
1875,0.0031,2.55e-05,0.011699999999999999,0.129
1876,0.00312,2.66e-05,0.011699999999999999,0.132
1877,0.00314,2.77e-05,0.011800000000000001,0.134
1878,0.00316,2.88e-05,0.011800000000000001,0.137
1879,0.00318,2.99e-05,0.0119,0.139
1880,0.0032,3.1e-05,0.0119,0.141
1881,0.00322,3.2099999999999994e-05,0.012,0.143
1882,0.0032400000000000003,3.32e-05,0.0121,0.145
1883,0.00326,3.43e-05,0.0121,0.147
1884,0.00328,3.54e-05,0.012199999999999999,0.149
1885,0.0033,3.65e-05,0.0123,0.15
1886,0.00332,3.76e-05,0.0124,0.152
1887,0.0033399999999999997,3.88e-05,0.0124,0.153
1888,0.0033599999999999997,3.99e-05,0.0125,0.155
1889,0.0033799999999999998,4.1e-05,0.0126,0.156
1890,0.00383,6.419999999999999e-05,0.0129,0.162
1891,0.00395,6.87e-05,0.013099999999999999,0.163
1892,0.00408,7.43e-05,0.013300000000000001,0.164
1893,0.00421,8.09e-05,0.0135,0.166
1894,0.00435,8.83e-05,0.013699999999999999,0.167
1895,0.0045,9.65e-05,0.013900000000000001,0.169
1896,0.00466,0.00010499999999999999,0.0141,0.171
1897,0.00483,0.000115,0.0144,0.173
1898,0.005,0.000125,0.0146,0.176
1899,0.00518,0.000135,0.0148,0.178
1900,0.00536,0.000146,0.015099999999999999,0.18
1901,0.00561,0.00015900000000000002,0.015300000000000001,0.183
1902,0.00598,0.000174,0.0156,0.186
1903,0.00643,0.000192,0.0158,0.189
1904,0.00696,0.000211,0.0161,0.192
1905,0.00754,0.000231,0.016300000000000002,0.196
1906,0.008150000000000001,0.00025,0.0166,0.2
1907,0.00877,0.00026900000000000003,0.0169,0.204
1908,0.009380000000000001,0.00028599999999999996,0.0172,0.209
1909,0.009949999999999999,0.0003,0.0175,0.213
1910,0.0105,0.000311,0.0178,0.218
1911,0.0109,0.00032,0.018,0.224
1912,0.0114,0.000328,0.0183,0.23
1913,0.011800000000000001,0.00033400000000000004,0.018600000000000002,0.237
1914,0.0123,0.00034,0.0188,0.244
1915,0.0128,0.00034599999999999995,0.019100000000000002,0.251
1916,0.013300000000000001,0.00035099999999999997,0.019399999999999997,0.26
1917,0.013900000000000001,0.000357,0.0197,0.269
1918,0.0145,0.000363,0.0201,0.278
1919,0.0152,0.00037,0.0205,0.288
1920,0.016,0.000377,0.021,0.298
1921,0.0169,0.000386,0.0217,0.313
1922,0.018,0.000395,0.022600000000000002,0.333
1923,0.0192,0.000404,0.0237,0.358
1924,0.0206,0.000414,0.0249,0.385
1925,0.0222,0.000424,0.0264,0.413
1926,0.024,0.000435,0.027899999999999998,0.44
1927,0.026,0.000447,0.0296,0.464
1928,0.0282,0.00046,0.0313,0.484
1929,0.030699999999999998,0.000474,0.033100000000000004,0.498
1930,0.0334,0.000489,0.0349,0.504
1931,0.037700000000000004,0.000507,0.0367,0.502
1932,0.0448,0.000528,0.0386,0.494
1933,0.053700000000000005,0.000553,0.0407,0.481
1934,0.0638,0.000579,0.0429,0.466
1935,0.07429999999999999,0.000608,0.0453,0.449
1936,0.0846,0.000637,0.047799999999999995,0.432
1937,0.0938,0.000666,0.0504,0.416
1938,0.101,0.000695,0.053200000000000004,0.403
1939,0.106,0.000722,0.056100000000000004,0.395
1940,0.108,0.000747,0.0592,0.391
1941,0.106,0.0007700000000000001,0.0626,0.392
1942,0.101,0.00079,0.0664,0.392
1943,0.09390000000000001,0.000809,0.0705,0.394
1944,0.085,0.0008269999999999999,0.075,0.396
1945,0.0752,0.0008449999999999999,0.07959999999999999,0.398
1946,0.0654,0.000864,0.0845,0.401
1947,0.0564,0.000886,0.08940000000000001,0.404
1948,0.049,0.00091,0.09440000000000001,0.408
1949,0.044,0.0009379999999999999,0.0993,0.412
1950,0.0421,0.0009699999999999999,0.104,0.417
1951,0.0436,0.00101,0.109,0.424
1952,0.0479,0.00107,0.114,0.436
1953,0.0545,0.00114,0.118,0.45
1954,0.063,0.00122,0.123,0.467
1955,0.073,0.00131,0.128,0.484
1956,0.084,0.00141,0.133,0.503
1957,0.09559999999999999,0.00151,0.138,0.521
1958,0.107,0.0016,0.143,0.537
1959,0.119,0.0017,0.149,0.552
1960,0.13,0.0017900000000000001,0.155,0.563
1961,0.14,0.00188,0.161,0.537
1962,0.15,0.002,0.169,0.554
1963,0.16,0.00212,0.176,0.568
1964,0.17,0.0022400000000000002,0.184,0.582
1965,0.181,0.0023599999999999997,0.192,0.593
1966,0.193,0.0024700000000000004,0.201,0.592
1967,0.207,0.00257,0.209,0.591
1968,0.222,0.00265,0.217,0.554
1969,0.24,0.0027,0.224,0.582
1970,0.246,0.00216,0.23,0.581
1971,0.246,0.00213,0.239,0.574
1972,0.243,0.0038799999999999998,0.244,0.583
1973,0.276,0.00398,0.249,0.592
1974,0.304,0.00401,0.255,0.621
1975,0.328,0.00411,0.259,0.615
1976,0.317,0.00508,0.264,0.606
1977,0.337,0.009,0.274,0.617
1978,0.339,0.0136,0.279,0.63
1979,0.346,0.0166,0.29,0.635
1980,0.359,0.0126,0.298,0.622
1981,0.38,0.0111,0.306,0.61
1982,0.379,0.008289999999999999,0.312,0.615
1983,0.384,0.0070999999999999995,0.32,0.671
1984,0.419,0.00452,0.328,0.701
1985,0.445,0.0047599999999999995,0.336,0.723
1986,0.476,0.0046,0.348,0.716
1987,0.475,0.0050999999999999995,0.36,0.702
1988,0.476,0.00552,0.368,0.68
1989,0.42,0.006059999999999999,0.372,0.681
1990,0.376,0.00652,0.382,0.68
1991,0.328,0.00883,0.421,0.682
1992,0.269,0.0121,0.449,0.68
1993,0.225,0.0135,0.461,0.685
1994,0.191,0.0143,0.496,0.683
1995,0.168,0.0147,0.505,0.677
1996,0.164,0.0165,0.519,0.682
1997,0.167,0.0198,0.528,0.677
1998,0.156,0.0206,0.485,0.67
1999,0.168,0.0217,0.483,0.642
2000,0.177,0.022699999999999998,0.485,0.628
2001,0.181,0.0218,0.507,0.618
2002,0.186,0.0235,0.51,0.614
2003,0.191,0.023399999999999997,0.512,0.606
2004,0.204,0.0241,0.461,0.6
2005,0.211,0.0245,0.455,0.595
2006,0.217,0.0255,0.444,0.595
2007,0.229,0.0268,0.412,0.598
2008,0.233,0.026199999999999998,0.404,0.6
2009,0.223,0.0264,0.408,0.606
2010,0.252,0.027399999999999997,0.391,0.613
2011,0.268,0.028,0.384,0.589
2012,0.283,0.0293,0.366,0.589
2013,0.296,0.029,0.365,0.576
2014,0.281,0.0304,0.37,0.562
2015,0.27,0.0298,0.389,0.552
2016,0.28,0.0312,0.383,0.548
2017,0.303,0.0315,0.339,0.545
2018,0.311,0.032,0.329,0.547