year,IPC1,IPC2,IPC4,IPCMAG
1850,0.009880000000000002,0.0,0.008400000000000001,0.0417
1851,0.01,4.96e-06,0.00843,0.0431
1852,0.0101,9.88e-06,0.00846,0.0445
1853,0.010199999999999999,1.47e-05,0.008490000000000001,0.045899999999999996
1854,0.0104,1.96e-05,0.00853,0.047200000000000006
1855,0.0105,2.4299999999999998e-05,0.00856,0.048600000000000004
1856,0.0106,2.91e-05,0.0086,0.0499
1857,0.0107,3.3799999999999995e-05,0.00864,0.0512
1858,0.0109,3.84e-05,0.00868,0.0525
1859,0.011,4.2999999999999995e-05,0.00873,0.0538
1860,0.0111,4.75e-05,0.00877,0.0551
1861,0.0112,5.2e-05,0.00882,0.0564
1862,0.0114,5.6500000000000005e-05,0.00886,0.0576
1863,0.0115,6.09e-05,0.008919999999999999,0.0589
1864,0.0116,6.53e-05,0.00897,0.0601
1865,0.011800000000000001,6.96e-05,0.00902,0.0613
1866,0.0119,7.39e-05,0.00908,0.0625
1867,0.012,7.82e-05,0.00914,0.0637
1868,0.012199999999999999,8.24e-05,0.0092,0.0649
1869,0.0123,8.649999999999999e-05,0.00926,0.06609999999999999
1870,0.0125,9.070000000000001e-05,0.00932,0.0673
1871,0.0126,9.48e-05,0.00939,0.0685
1872,0.0127,9.88e-05,0.009460000000000001,0.0696
1873,0.0129,0.000103,0.00954,0.0708
1874,0.013,0.000107,0.009609999999999999,0.0719
1875,0.0132,0.000111,0.009699999999999999,0.073
1876,0.013300000000000001,0.000115,0.009779999999999999,0.0742
1877,0.0134,0.00011899999999999999,0.009859999999999999,0.07529999999999999
1878,0.0136,0.000122,0.00994,0.07640000000000001
1879,0.013699999999999999,0.000126,0.01,0.0775
1880,0.013900000000000001,0.00013000000000000002,0.0101,0.07859999999999999
1881,0.014,0.000134,0.010199999999999999,0.07970000000000001
1882,0.014199999999999999,0.00013700000000000002,0.0103,0.0808
1883,0.0143,0.00014099999999999998,0.0104,0.0819
1884,0.0145,0.000145,0.0104,0.0829
1885,0.0146,0.000148,0.0105,0.084
1886,0.0148,0.000152,0.0106,0.0851
1887,0.0149,0.000155,0.0107,0.0862
1888,0.015099999999999999,0.00015900000000000002,0.0108,0.0872
1889,0.0152,0.000162,0.0109,0.0883
1890,0.016300000000000002,0.000254,0.0111,0.09029999999999999
1891,0.016800000000000002,0.000273,0.0112,0.09140000000000001
1892,0.0173,0.00029499999999999996,0.011300000000000001,0.09259999999999999
1893,0.018,0.000321,0.0114,0.09390000000000001
1894,0.018699999999999998,0.00035,0.0115,0.0952
1895,0.019399999999999997,0.000382,0.011699999999999999,0.0965
1896,0.020300000000000002,0.000417,0.011800000000000001,0.0979
1897,0.0212,0.000455,0.0119,0.0993
1898,0.0221,0.000494,0.0121,0.101
1899,0.0232,0.000536,0.012199999999999999,0.102
1900,0.0242,0.000578,0.0124,0.104
1901,0.0257,0.000628,0.0126,0.105
1902,0.0277,0.00069,0.0127,0.107
1903,0.030199999999999998,0.000759,0.0129,0.108
1904,0.033,0.000834,0.013099999999999999,0.11
1905,0.0361,0.000911,0.013300000000000001,0.111
1906,0.039200000000000006,0.000988,0.0135,0.113
1907,0.0423,0.00106,0.013699999999999999,0.115
1908,0.045200000000000004,0.00113,0.013900000000000001,0.117
1909,0.047799999999999995,0.0011799999999999998,0.0141,0.119
1910,0.0499,0.00123,0.0143,0.122
1911,0.0518,0.00126,0.0145,0.127
1912,0.0536,0.0012900000000000001,0.0147,0.134
1913,0.0554,0.00132,0.0149,0.143
1914,0.057,0.00134,0.015099999999999999,0.154
1915,0.0586,0.0013700000000000001,0.0152,0.165
1916,0.060200000000000004,0.00139,0.0155,0.178
1917,0.0616,0.00141,0.0157,0.19
1918,0.063,0.0014299999999999998,0.016,0.203
1919,0.0643,0.00146,0.016300000000000002,0.215
1920,0.0655,0.00149,0.0167,0.225
1921,0.06659999999999999,0.00152,0.0171,0.236
1922,0.0676,0.00156,0.0178,0.248
1923,0.0685,0.0016,0.018699999999999998,0.261
1924,0.0693,0.00163,0.0197,0.273
1925,0.0701,0.0016799999999999999,0.0208,0.286
1926,0.071,0.00172,0.022,0.297
1927,0.0719,0.00177,0.0233,0.307
1928,0.0729,0.00182,0.0247,0.315
1929,0.0741,0.0018700000000000001,0.0261,0.32
1930,0.07540000000000001,0.0019299999999999999,0.0275,0.322
1931,0.077,0.002,0.0289,0.321
1932,0.07909999999999999,0.00209,0.0305,0.318
1933,0.0814,0.00219,0.032100000000000004,0.313
1934,0.084,0.00229,0.0339,0.307
1935,0.0869,0.0024100000000000002,0.0358,0.301
1936,0.0901,0.00252,0.0378,0.295
1937,0.09340000000000001,0.00264,0.0399,0.289
1938,0.0968,0.00276,0.0421,0.284
1939,0.1,0.0028599999999999997,0.0445,0.281
1940,0.104,0.00296,0.047,0.28
1941,0.108,0.0030499999999999998,0.0497,0.3
1942,0.112,0.00313,0.052700000000000004,0.355
1943,0.117,0.00321,0.0559,0.434
1944,0.122,0.00328,0.0594,0.532
1945,0.127,0.00335,0.0631,0.637
1946,0.133,0.00342,0.067,0.743
1947,0.138,0.0035099999999999997,0.0709,0.84
1948,0.144,0.0036,0.075,0.92
1949,0.15,0.0037099999999999998,0.07909999999999999,0.974
1950,0.156,0.0038399999999999997,0.0833,0.995
1951,0.162,0.00401,0.0874,0.985
1952,0.168,0.00424,0.0916,0.957
1953,0.174,0.00452,0.096,0.916
1954,0.181,0.00484,0.1,0.867
1955,0.187,0.00519,0.105,0.813
1956,0.194,0.00556,0.11,0.759
1957,0.202,0.00594,0.115,0.709
1958,0.209,0.00633,0.12,0.669
1959,0.217,0.00671,0.126,0.641
1960,0.226,0.0070599999999999994,0.131,0.631
1961,0.237,0.00745,0.138,0.691
1962,0.252,0.00789,0.145,0.693
1963,0.269,0.008369999999999999,0.154,0.692
1964,0.289,0.00887,0.162,0.684
1965,0.311,0.00936,0.171,0.684
1966,0.333,0.009810000000000001,0.18,0.635
1967,0.355,0.010199999999999999,0.189,0.632
1968,0.375,0.0105,0.198,0.642
1969,0.394,0.0107,0.206,0.65
1970,0.518,0.01,0.21,0.656
1971,0.516,0.008960000000000001,0.22,0.618
1972,0.516,0.00914,0.229,0.614
1973,0.541,0.00949,0.237,0.627
1974,0.566,0.00891,0.244,0.636
1975,0.591,0.00698,0.247,0.656
1976,0.629,0.00663,0.254,0.655
1977,0.673,0.00567,0.265,0.672
1978,0.718,0.00518,0.271,0.678
1979,0.787,0.00633,0.279,0.723
1980,0.845,0.0052699999999999995,0.29,0.693
1981,0.911,0.005030000000000001,0.304,0.666
1982,0.967,0.00279,0.318,0.686
1983,1.0,0.00136,0.32,0.687
1984,1.1,0.0025099999999999996,0.32,0.659
1985,1.16,0.00256,0.332,0.623
1986,1.17,0.0022400000000000002,0.341,0.621
1987,1.17,0.00233,0.349,0.642
1988,1.22,0.0024700000000000004,0.357,0.633
1989,1.21,0.0025299999999999997,0.412,0.655
1990,1.22,0.0024700000000000004,0.423,0.708
1991,1.23,0.00226,0.433,0.716
1992,1.2,0.0020099999999999996,0.44,0.707
1993,1.27,0.00222,0.449,0.684
1994,1.31,0.00278,0.438,0.667
1995,1.35,0.00298,0.473,0.667
1996,1.35,0.0029300000000000003,0.483,0.693
1997,1.43,0.00335,0.515,0.704
1998,1.44,0.0038599999999999997,0.524,0.722
1999,1.45,0.00408,0.537,0.716
2000,1.45,0.004690000000000001,0.549,0.711
2001,1.46,0.0040999999999999995,0.544,0.697
2002,1.46,0.00452,0.56,0.706
2003,1.54,0.00504,0.563,0.678
2004,1.59,0.00531,0.563,0.664
2005,1.59,0.005,0.563,0.695
2006,1.59,0.00538,0.581,0.666
2007,1.62,0.00608,0.592,0.685
2008,1.65,0.00534,0.606,0.69
2009,1.64,0.0038799999999999998,0.593,0.689
2010,1.65,0.005690000000000001,0.608,0.691
2011,1.63,0.00567,0.618,0.684
2012,1.68,0.00515,0.628,0.694
2013,1.69,0.00545,0.639,0.68
2014,1.71,0.005900000000000001,0.641,0.678
2015,1.7,0.005690000000000001,0.644,0.661
2016,1.74,0.0058200000000000005,0.655,0.637
2017,1.76,0.005900000000000001,0.662,0.638
2018,1.78,0.00597,0.669,0.624