year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0039,3.13e-05,0.00023999999999999998,8.32e-06
1851,0.00411,3.29e-05,0.000253,8.76e-06
1852,0.00433,3.47e-05,0.000266,9.23e-06
1853,0.00457,3.66e-05,0.00028100000000000005,9.74e-06
1854,0.0048200000000000005,3.86e-05,0.000296,1.03e-05
1855,0.00508,4.07e-05,0.000313,1.08e-05
1856,0.00536,4.29e-05,0.00033,1.1400000000000001e-05
1857,0.0056500000000000005,4.5199999999999994e-05,0.000347,1.2e-05
1858,0.00595,4.7600000000000005e-05,0.000366,1.2699999999999999e-05
1859,0.00626,5.01e-05,0.00038500000000000003,1.33e-05
1860,0.00658,5.2699999999999993e-05,0.000404,1.4e-05
1861,0.00691,5.53e-05,0.000425,1.47e-05
1862,0.00726,5.8099999999999996e-05,0.000446,1.55e-05
1863,0.00762,6.1e-05,0.00046800000000000005,1.62e-05
1864,0.008,6.4e-05,0.000492,1.7e-05
1865,0.008400000000000001,6.72e-05,0.000516,1.7899999999999998e-05
1866,0.00881,7.049999999999999e-05,0.000541,1.88e-05
1867,0.00924,7.4e-05,0.0005679999999999999,1.9699999999999998e-05
1868,0.009689999999999999,7.76e-05,0.000596,2.07e-05
1869,0.010199999999999999,8.14e-05,0.000625,2.17e-05
1870,0.0106,8.53e-05,0.000655,2.2700000000000003e-05
1871,0.0112,8.939999999999999e-05,0.0006860000000000001,2.3800000000000003e-05
1872,0.011699999999999999,9.379999999999999e-05,0.0007199999999999999,2.5e-05
1873,0.0123,9.850000000000001e-05,0.000756,2.62e-05
1874,0.0129,0.000103,0.000794,2.75e-05
1875,0.0136,0.00010899999999999999,0.000833,2.8899999999999998e-05
1876,0.014199999999999999,0.000114,0.000874,3.03e-05
1877,0.0149,0.00011899999999999999,0.000916,3.18e-05
1878,0.0156,0.000125,0.000959,3.33e-05
1879,0.016300000000000002,0.000131,0.001,3.48e-05
1880,0.0171,0.00013700000000000002,0.0010500000000000002,3.6400000000000004e-05
1881,0.0178,0.00014299999999999998,0.00109,3.8e-05
1882,0.018600000000000002,0.000149,0.00114,3.96e-05
1883,0.019399999999999997,0.000155,0.0011899999999999999,4.13e-05
1884,0.0202,0.000162,0.00124,4.2999999999999995e-05
1885,0.021,0.00016800000000000002,0.0012900000000000001,4.48e-05
1886,0.0219,0.000175,0.00135,4.67e-05
1887,0.0228,0.000183,0.0014,4.8599999999999995e-05
1888,0.0237,0.00019,0.00146,5.06e-05
1889,0.0247,0.00019800000000000002,0.00152,5.2699999999999993e-05
1890,0.0277,0.000195,0.0017,5.9e-05
1891,0.0287,0.000195,0.00177,6.13e-05
1892,0.03,0.000195,0.00184,6.379999999999999e-05
1893,0.0313,0.000195,0.0019199999999999998,6.67e-05
1894,0.0327,0.000195,0.0020099999999999996,6.97e-05
1895,0.0342,0.000195,0.0021000000000000003,7.3e-05
1896,0.0359,0.000195,0.0022,7.65e-05
1897,0.0376,0.000195,0.00231,8.010000000000001e-05
1898,0.0394,0.000195,0.00242,8.39e-05
1899,0.0412,0.000195,0.0025299999999999997,8.790000000000001e-05
1900,0.0432,0.000195,0.00265,9.2e-05
1901,0.045200000000000004,0.000195,0.00278,9.64e-05
1902,0.0475,0.000195,0.00292,0.000101
1903,0.05,0.000195,0.0030800000000000003,0.000107
1904,0.052700000000000004,0.000195,0.0032400000000000003,0.000112
1905,0.0554,0.000195,0.0034100000000000003,0.000118
1906,0.0583,0.000195,0.0035800000000000003,0.000124
1907,0.0611,0.000195,0.00376,0.00013000000000000002
1908,0.0639,0.000195,0.00393,0.000136
1909,0.06670000000000001,0.000195,0.0040999999999999995,0.00014199999999999998
1910,0.0693,0.00019600000000000002,0.00426,0.000148
1911,0.0719,0.00019600000000000002,0.00442,0.000153
1912,0.07440000000000001,0.00019600000000000002,0.00457,0.00015900000000000002
1913,0.0768,0.00019600000000000002,0.004719999999999999,0.000164
1914,0.0792,0.00019600000000000002,0.00487,0.00016900000000000002
1915,0.08170000000000001,0.00019600000000000002,0.005019999999999999,0.000174
1916,0.0842,0.00019600000000000002,0.00517,0.000179
1917,0.0867,0.00019600000000000002,0.00533,0.000185
1918,0.08929999999999999,0.00019600000000000002,0.00549,0.00019
1919,0.09209999999999999,0.00019600000000000002,0.00566,0.00019600000000000002
1920,0.095,0.00019600000000000002,0.00583,0.000202
1921,0.098,0.000202,0.006019999999999999,0.00020899999999999998
1922,0.101,0.000219,0.00621,0.000215
1923,0.104,0.000246,0.00641,0.000222
1924,0.108,0.00028199999999999997,0.00661,0.000229
1925,0.111,0.000325,0.0068200000000000005,0.000237
1926,0.115,0.000372,0.00704,0.000244
1927,0.118,0.000424,0.0072699999999999996,0.000252
1928,0.122,0.00047799999999999996,0.0075,0.00026000000000000003
1929,0.126,0.000533,0.00774,0.000268
1930,0.13,0.000587,0.00799,0.000277
1931,0.134,0.000643,0.00824,0.00028599999999999996
1932,0.138,0.000705,0.0085,0.00029499999999999996
1933,0.143,0.000772,0.00877,0.000304
1934,0.147,0.000846,0.00904,0.000314
1935,0.152,0.000925,0.00933,0.000323
1936,0.157,0.00101,0.009630000000000001,0.00033400000000000004
1937,0.162,0.0011,0.00994,0.000345
1938,0.167,0.0012,0.0103,0.000356
1939,0.173,0.00131,0.0106,0.000368
1940,0.178,0.0014299999999999998,0.011,0.00038
1941,0.184,0.00156,0.011300000000000001,0.000393
1942,0.19,0.00171,0.011699999999999999,0.00040500000000000003
1943,0.196,0.0018700000000000001,0.0121,0.00041799999999999997
1944,0.203,0.00206,0.0125,0.000432
1945,0.209,0.00226,0.0129,0.000446
1946,0.217,0.00248,0.013300000000000001,0.000462
1947,0.225,0.00271,0.013800000000000002,0.00047999999999999996
1948,0.234,0.0029500000000000004,0.0144,0.0005
1949,0.283,0.0032,0.0174,0.0006039999999999999
1950,0.305,0.00347,0.018699999999999998,0.00065
1951,0.353,0.00375,0.0217,0.000753
1952,0.365,0.00405,0.0224,0.000777
1953,0.339,0.00438,0.0208,0.000721
1954,0.383,0.004730000000000001,0.0235,0.0008169999999999999
1955,0.443,0.00511,0.0272,0.0009429999999999999
1956,0.461,0.00551,0.028300000000000002,0.000983
1957,0.584,0.0059299999999999995,0.0359,0.00124
1958,0.595,0.00897,0.0366,0.00127
1959,0.592,0.0129,0.0363,0.00126
1960,0.606,0.0376,0.0373,0.0012900000000000001
1961,0.725,0.0442,0.0446,0.00155
1962,0.681,0.056799999999999996,0.0418,0.00145
1963,0.692,0.0574,0.0425,0.00147
1964,0.696,0.0702,0.0427,0.00148
1965,0.714,0.089,0.0439,0.00152
1966,0.766,0.0958,0.0471,0.00163
1967,0.833,0.103,0.0512,0.0017800000000000001
1968,1.18,0.122,0.0722,0.0025099999999999996
1969,1.13,0.123,0.0693,0.0024
1970,1.33,0.141,0.0711,0.00319
1971,1.27,0.147,0.0711,0.0034
1972,1.46,0.172,0.07490000000000001,0.00298
1973,1.41,0.209,0.0792,0.00298
1974,1.47,0.191,0.0831,0.0020099999999999996
1975,1.54,0.258,0.0869,0.00254
1976,1.67,0.227,0.0915,0.0024100000000000002
1977,1.9,0.22,0.09540000000000001,0.0033900000000000002
1978,1.94,0.236,0.1,0.00229
1979,1.84,0.2,0.105,0.00256
1980,1.86,0.373,0.11,0.004030000000000001
1981,1.69,0.261,0.115,0.00368
1982,1.65,0.237,0.121,0.0034100000000000003
1983,1.79,0.394,0.127,0.0051600000000000005
1984,1.74,0.43,0.132,0.0062
1985,1.76,0.283,0.138,0.004019999999999999
1986,1.69,0.292,0.145,0.00354
1987,1.98,0.356,0.152,0.004849999999999999
1988,2.26,0.434,0.158,0.0064800000000000005
1989,2.44,0.495,0.165,0.00587
1990,2.3,0.496,0.172,0.00323
1991,2.39,0.523,0.179,0.00587
1992,2.79,0.492,0.187,0.00637
1993,2.53,0.545,0.195,0.0101
1994,3.07,0.471,0.202,0.00368
1995,3.57,0.548,0.211,0.0223
1996,3.29,0.708,0.219,0.0156
1997,3.21,0.727,0.228,0.026699999999999998
1998,3.48,0.59,0.236,0.031
1999,3.31,0.614,0.245,0.0367
2000,3.2,0.75,0.268,0.0458
2001,3.98,0.733,0.247,0.037700000000000004
2002,4.6,0.634,0.227,0.0128
2003,5.4,0.644,0.206,0.0129
2004,6.12,0.662,0.187,0.013
2005,6.5,0.624,0.166,0.0157
2006,6.73,0.725,0.17,0.0165
2007,6.97,0.783,0.174,0.0057599999999999995
2008,7.2,0.785,0.178,0.00646
2009,7.44,0.807,0.182,0.00744
2010,7.67,0.739,0.187,0.0109
2011,7.91,0.762,0.191,0.00408
2012,8.14,0.824,0.195,0.0009320000000000001
2013,8.38,0.825,0.199,0.0
2014,8.61,0.842,0.203,0.0
2015,9.49,0.865,0.207,0.0
2016,9.9,0.867,0.213,0.0
2017,9.87,0.869,0.219,0.0
2018,10.3,0.871,0.225,0.0