year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0045899999999999995,0.0,0.00779,0.0681
1851,0.00464,4.3e-07,0.007809999999999999,0.0704
1852,0.0047,8.56e-07,0.00784,0.0727
1853,0.00475,1.28e-06,0.00788,0.07490000000000001
1854,0.00481,1.6999999999999998e-06,0.00791,0.0772
1855,0.00487,2.1099999999999997e-06,0.007940000000000001,0.07940000000000001
1856,0.00492,2.52e-06,0.007980000000000001,0.0815
1857,0.00498,2.92e-06,0.00802,0.0837
1858,0.00504,3.33e-06,0.00805,0.0858
1859,0.0050999999999999995,3.7200000000000004e-06,0.00809,0.0879
1860,0.0051600000000000005,4.12e-06,0.00813,0.09
1861,0.00522,4.51e-06,0.00818,0.09209999999999999
1862,0.00528,4.9e-06,0.00822,0.0942
1863,0.00534,5.28e-06,0.00827,0.09620000000000001
1864,0.0054,5.66e-06,0.008320000000000001,0.09820000000000001
1865,0.00547,6.03e-06,0.008369999999999999,0.1
1866,0.00553,6.4000000000000006e-06,0.00842,0.102
1867,0.0055899999999999995,6.7699999999999996e-06,0.00847,0.104
1868,0.0056500000000000005,7.139999999999999e-06,0.00853,0.106
1869,0.005719999999999999,7.499999999999999e-06,0.00859,0.108
1870,0.00578,7.860000000000001e-06,0.00865,0.11
1871,0.005849999999999999,8.210000000000001e-06,0.00871,0.112
1872,0.00591,8.56e-06,0.00877,0.114
1873,0.00598,8.91e-06,0.00884,0.116
1874,0.00604,9.26e-06,0.008919999999999999,0.117
1875,0.00611,9.6e-06,0.00899,0.119
1876,0.00618,9.94e-06,0.00907,0.121
1877,0.00624,1.03e-05,0.00914,0.123
1878,0.00631,1.06e-05,0.00922,0.125
1879,0.00638,1.09e-05,0.009300000000000001,0.127
1880,0.00645,1.1299999999999999e-05,0.00937,0.128
1881,0.00651,1.1599999999999999e-05,0.00945,0.13
1882,0.00658,1.1900000000000001e-05,0.009529999999999999,0.132
1883,0.0066500000000000005,1.22e-05,0.0096,0.134
1884,0.006719999999999999,1.25e-05,0.00968,0.136
1885,0.00679,1.29e-05,0.00976,0.137
1886,0.006860000000000001,1.32e-05,0.00984,0.139
1887,0.0069299999999999995,1.35e-05,0.00992,0.141
1888,0.007,1.38e-05,0.01,0.142
1889,0.00707,1.41e-05,0.0101,0.144
1890,0.00734,2.2e-05,0.0103,0.148
1891,0.00747,2.36e-05,0.0104,0.15
1892,0.00762,2.55e-05,0.0105,0.153
1893,0.00777,2.7799999999999998e-05,0.0106,0.155
1894,0.007940000000000001,3.03e-05,0.0107,0.158
1895,0.008119999999999999,3.31e-05,0.0108,0.16
1896,0.008320000000000001,3.6200000000000006e-05,0.011,0.163
1897,0.00852,3.9399999999999995e-05,0.0111,0.166
1898,0.00874,4.28e-05,0.0112,0.169
1899,0.00897,4.6399999999999996e-05,0.0114,0.172
1900,0.009210000000000001,5.01e-05,0.0115,0.175
1901,0.0095,5.4499999999999997e-05,0.0116,0.178
1902,0.009890000000000001,5.98e-05,0.011800000000000001,0.18
1903,0.0103,6.58e-05,0.012,0.183
1904,0.0109,7.230000000000001e-05,0.0121,0.186
1905,0.0114,7.9e-05,0.0123,0.189
1906,0.0119,8.56e-05,0.0125,0.192
1907,0.0125,9.2e-05,0.0127,0.196
1908,0.013,9.769999999999999e-05,0.0129,0.2
1909,0.0135,0.000103,0.013099999999999999,0.205
1910,0.013900000000000001,0.000107,0.0132,0.211
1911,0.014199999999999999,0.00011,0.0134,0.22
1912,0.0146,0.000112,0.0136,0.234
1913,0.0149,0.000114,0.013800000000000002,0.252
1914,0.0152,0.000116,0.014,0.273
1915,0.0155,0.000118,0.0141,0.297
1916,0.0158,0.00011999999999999999,0.0143,0.322
1917,0.0161,0.000122,0.0146,0.348
1918,0.016399999999999998,0.000124,0.0148,0.373
1919,0.0167,0.000127,0.015099999999999999,0.397
1920,0.017,0.000129,0.0154,0.418
1921,0.0173,0.000132,0.0159,0.44
1922,0.0175,0.000135,0.0165,0.464
1923,0.0177,0.00013800000000000002,0.0173,0.489
1924,0.018,0.00014199999999999998,0.0183,0.515
1925,0.0182,0.000145,0.0193,0.539
1926,0.0184,0.000149,0.020399999999999998,0.562
1927,0.018699999999999998,0.000153,0.0216,0.582
1928,0.0189,0.000158,0.0229,0.597
1929,0.0192,0.000162,0.0242,0.607
1930,0.0195,0.00016800000000000002,0.0255,0.611
1931,0.019899999999999998,0.000174,0.0268,0.609
1932,0.020300000000000002,0.00018099999999999998,0.028300000000000002,0.602
1933,0.0208,0.00019,0.0298,0.592
1934,0.0214,0.000199,0.0314,0.581
1935,0.0219,0.00020899999999999998,0.0332,0.568
1936,0.022600000000000002,0.000219,0.035,0.555
1937,0.0232,0.000229,0.037,0.544
1938,0.023899999999999998,0.00023899999999999998,0.0391,0.534
1939,0.0246,0.000248,0.041299999999999996,0.527
1940,0.0254,0.000257,0.0436,0.525
1941,0.0261,0.000265,0.0461,0.566
1942,0.027,0.00027100000000000003,0.048799999999999996,0.676
1943,0.028,0.00027800000000000004,0.0519,0.838
1944,0.029,0.00028399999999999996,0.0551,1.04
1945,0.030100000000000002,0.00029,0.0585,1.25
1946,0.0312,0.000297,0.0621,1.46
1947,0.0324,0.000304,0.0658,1.66
1948,0.0337,0.000312,0.0696,1.82
1949,0.0349,0.000321,0.0734,1.93
1950,0.0362,0.000332,0.0772,1.97
1951,0.0375,0.000347,0.08109999999999999,1.95
1952,0.0389,0.000367,0.085,1.9
1953,0.0404,0.000391,0.089,1.81
1954,0.0419,0.000419,0.09309999999999999,1.71
1955,0.0435,0.00045,0.0973,1.6
1956,0.045200000000000004,0.000482,0.102,1.49
1957,0.0469,0.000515,0.106,1.39
1958,0.0487,0.0005480000000000001,0.111,1.31
1959,0.0506,0.0005809999999999999,0.116,1.25
1960,0.0525,0.000612,0.122,1.23
1961,0.0549,0.0006450000000000001,0.128,1.35
1962,0.058,0.000684,0.135,1.36
1963,0.0616,0.000726,0.142,1.36
1964,0.06559999999999999,0.000769,0.15,1.34
1965,0.0699,0.0008110000000000001,0.159,1.34
1966,0.07429999999999999,0.00085,0.167,1.24
1967,0.0787,0.000884,0.175,1.23
1968,0.0829,0.000911,0.183,1.25
1969,0.0868,0.000928,0.191,1.27
1970,0.0974,0.00091,0.194,1.25
1971,0.0993,0.000868,0.204,1.21
1972,0.102,0.000876,0.212,1.2
1973,0.107,0.000896,0.22,1.23
1974,0.111,0.0008719999999999999,0.226,1.25
1975,0.116,0.000795,0.229,1.28
1976,0.121,0.0007830000000000001,0.235,1.28
1977,0.125,0.000745,0.245,1.31
1978,0.13,0.000725,0.251,1.32
1979,0.136,0.000771,0.259,1.39
1980,0.141,0.0007289999999999999,0.269,1.35
1981,0.146,0.000727,0.282,1.3
1982,0.151,0.000637,0.295,1.33
1983,0.154,0.000579,0.297,1.34
1984,0.163,0.000626,0.297,1.3
1985,0.168,0.000628,0.308,1.22
1986,0.169,0.000615,0.316,1.22
1987,0.171,0.000618,0.324,1.24
1988,0.176,0.000624,0.331,1.25
1989,0.177,0.000627,0.383,1.29
1990,0.201,0.000624,0.392,1.36
1991,0.204,0.000616,0.401,1.37
1992,0.205,0.000606,0.408,1.36
1993,0.217,0.000614,0.416,1.31
1994,0.243,0.000637,0.406,1.27
1995,0.247,0.00102,0.439,1.28
1996,0.248,0.00102,0.448,1.31
1997,0.268,0.0010400000000000001,0.478,1.34
1998,0.272,0.00229,0.486,1.37
1999,0.277,0.00349,0.498,1.36
2000,0.271,0.00328,0.509,1.35
2001,0.277,0.00329,0.549,1.35
2002,0.277,0.00317,0.587,1.34
2003,0.28,0.00329,0.624,1.3
2004,0.297,0.00346,0.66,1.29
2005,0.289,0.0045,0.695,1.31
2006,0.273,0.0049299999999999995,0.729,1.3
2007,0.269,0.0066500000000000005,0.762,1.27
2008,0.269,0.0066500000000000005,0.762,1.27
2009,0.278,0.0034100000000000003,0.794,1.3
2010,0.282,0.00246,0.826,1.27
2011,0.279,0.00292,0.857,1.31
2012,0.306,0.004019999999999999,0.89,1.31
2013,0.254,0.0032,0.923,1.26
2014,0.25,0.00321,0.926,1.26
2015,0.25,0.00321,0.932,1.23
2016,0.261,0.0035600000000000002,0.992,1.2
2017,0.26,0.00352,1.02,1.18
2018,0.258,0.00348,1.05,1.16