year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000374,1.95e-09,0.0012900000000000001,0.0384
1851,0.000376,2.12e-09,0.00131,0.0384
1852,0.000382,2.31e-09,0.00132,0.0384
1853,0.000391,2.52e-09,0.00134,0.0384
1854,0.00040500000000000003,2.75e-09,0.00135,0.0385
1855,0.000422,3e-09,0.0013700000000000001,0.0385
1856,0.000442,3.28e-09,0.00139,0.0385
1857,0.00046600000000000005,3.58e-09,0.0014,0.0385
1858,0.000493,3.8900000000000004e-09,0.0014199999999999998,0.0385
1859,0.000524,4.2300000000000005e-09,0.0014299999999999998,0.0386
1860,0.000558,4.58e-09,0.0014399999999999999,0.0386
1861,0.0005949999999999999,4.95e-09,0.00146,0.038700000000000005
1862,0.000634,5.339999999999999e-09,0.00147,0.038700000000000005
1863,0.0006770000000000001,5.75e-09,0.00148,0.038799999999999994
1864,0.000723,6.18e-09,0.00149,0.038799999999999994
1865,0.000771,6.62e-09,0.00151,0.0389
1866,0.0008219999999999999,7.07e-09,0.00152,0.0389
1867,0.000876,7.54e-09,0.0015300000000000001,0.039
1868,0.0009320000000000001,8.03e-09,0.0015400000000000001,0.039
1869,0.00099,8.53e-09,0.00156,0.0391
1870,0.0010500000000000002,9.04e-09,0.00157,0.039200000000000006
1871,0.00111,9.57e-09,0.00159,0.039299999999999995
1872,0.0011799999999999998,1.01e-08,0.00161,0.039299999999999995
1873,0.00125,1.07e-08,0.00163,0.0394
1874,0.00132,1.12e-08,0.00165,0.0395
1875,0.00139,1.18e-08,0.0016699999999999998,0.0396
1876,0.00146,1.24e-08,0.0016899999999999999,0.039700000000000006
1877,0.0015300000000000001,1.2999999999999999e-08,0.00171,0.039799999999999995
1878,0.00161,1.3600000000000001e-08,0.00174,0.0399
1879,0.0016899999999999999,1.42e-08,0.00176,0.0399
1880,0.00177,1.48e-08,0.0017800000000000001,0.04
1881,0.00185,1.5400000000000002e-08,0.0018,0.040100000000000004
1882,0.0019299999999999999,1.5999999999999998e-08,0.00182,0.040299999999999996
1883,0.0020099999999999996,1.67e-08,0.00185,0.0404
1884,0.00209,1.73e-08,0.0018700000000000001,0.0405
1885,0.00218,1.8e-08,0.00189,0.040600000000000004
1886,0.00226,1.86e-08,0.0019199999999999998,0.0407
1887,0.00235,1.93e-08,0.0019399999999999999,0.040799999999999996
1888,0.00244,2e-08,0.00196,0.0409
1889,0.0025299999999999997,2.06e-08,0.00199,0.041
1890,0.00287,3.1999999999999995e-08,0.0020299999999999997,0.0402
1891,0.0033900000000000002,3.43e-08,0.00206,0.041100000000000005
1892,0.00391,3.71e-08,0.00209,0.042
1893,0.00441,4.04e-08,0.00213,0.0428
1894,0.00491,4.4100000000000004e-08,0.00216,0.0436
1895,0.00539,4.82e-08,0.00219,0.0444
1896,0.00587,5.2599999999999995e-08,0.0022299999999999998,0.045
1897,0.00633,5.73e-08,0.00226,0.0456
1898,0.0067800000000000004,6.23e-08,0.0023,0.046
1899,0.00721,6.75e-08,0.00233,0.046299999999999994
1900,0.00764,7.29e-08,0.00237,0.0464
1901,0.00808,7.91e-08,0.0024100000000000002,0.0464
1902,0.00856,8.69e-08,0.00244,0.0465
1903,0.00905,9.560000000000001e-08,0.00248,0.0465
1904,0.009550000000000001,1.05e-07,0.00252,0.0465
1905,0.01,1.15e-07,0.00256,0.0465
1906,0.0104,1.24e-07,0.0026,0.0466
1907,0.0108,1.34e-07,0.00264,0.0466
1908,0.0111,1.42e-07,0.00268,0.0466
1909,0.011300000000000001,1.49e-07,0.00272,0.046700000000000005
1910,0.0114,1.55e-07,0.00276,0.046700000000000005
1911,0.0111,1.5899999999999998e-07,0.0028,0.047299999999999995
1912,0.0105,1.6300000000000002e-07,0.0028399999999999996,0.0489
1913,0.00962,1.66e-07,0.0028799999999999997,0.0512
1914,0.00853,1.69e-07,0.00292,0.054
1915,0.00733,1.72e-07,0.00296,0.0572
1916,0.00614,1.74e-07,0.003,0.060399999999999995
1917,0.00504,1.7699999999999998e-07,0.00304,0.0635
1918,0.00414,1.8000000000000002e-07,0.00309,0.0663
1919,0.0035299999999999997,1.83e-07,0.00314,0.0686
1920,0.00331,1.87e-07,0.00319,0.0701
1921,0.00357,1.91e-07,0.00325,0.0711
1922,0.0043,1.9599999999999998e-07,0.00332,0.0721
1923,0.00544,2.0000000000000002e-07,0.0033900000000000002,0.073
1924,0.00694,2.05e-07,0.00346,0.07390000000000001
1925,0.00874,2.1e-07,0.0035499999999999998,0.0746
1926,0.0108,2.16e-07,0.00364,0.07529999999999999
1927,0.013,2.22e-07,0.0037400000000000003,0.07590000000000001
1928,0.0154,2.28e-07,0.0038599999999999997,0.07640000000000001
1929,0.0178,2.35e-07,0.0039900000000000005,0.0767
1930,0.020300000000000002,2.43e-07,0.00413,0.0768
1931,0.0233,2.52e-07,0.00434,0.07659999999999999
1932,0.027100000000000003,2.63e-07,0.0046500000000000005,0.07590000000000001
1933,0.0316,2.75e-07,0.00504,0.07490000000000001
1934,0.0366,2.88e-07,0.00549,0.0737
1935,0.0418,3.03e-07,0.00598,0.0724
1936,0.0471,3.17e-07,0.0064800000000000005,0.071
1937,0.0522,3.32e-07,0.00697,0.0698
1938,0.0569,3.4699999999999997e-07,0.00743,0.0688
1939,0.0611,3.6000000000000005e-07,0.00785,0.0682
1940,0.0644,3.73e-07,0.00819,0.0679
1941,0.06709999999999999,3.84e-07,0.00846,0.0681
1942,0.0693,3.94e-07,0.00871,0.0686
1943,0.0712,4.03e-07,0.00893,0.0693
1944,0.0729,4.12e-07,0.00914,0.0703
1945,0.0746,4.2099999999999997e-07,0.00933,0.0714
1946,0.07629999999999999,4.3e-07,0.009529999999999999,0.0727
1947,0.0782,4.41e-07,0.00974,0.0741
1948,0.0804,4.53e-07,0.009970000000000001,0.0755
1949,0.0831,4.6700000000000004e-07,0.010199999999999999,0.077
1950,0.0864,4.83e-07,0.0105,0.0785
1951,0.0912,5.04e-07,0.0109,0.08020000000000001
1952,0.0983,5.33e-07,0.011300000000000001,0.08220000000000001
1953,0.107,5.68e-07,0.011699999999999999,0.0845
1954,0.118,6.089999999999999e-07,0.012199999999999999,0.0871
1955,0.129,6.53e-07,0.0127,0.08979999999999999
1956,0.141,7e-07,0.0132,0.0925
1957,0.154,7.48e-07,0.013699999999999999,0.0953
1958,0.167,7.97e-07,0.014199999999999999,0.098
1959,0.179,8.44e-07,0.0147,0.101
1960,0.19,8.890000000000001e-07,0.0152,0.103
1961,0.199,9.33e-07,0.0157,0.1
1962,0.207,9.78e-07,0.0162,0.107
1963,0.214,1.02e-06,0.0167,0.112
1964,0.22,1.07e-06,0.0172,0.109
1965,0.227,1.1100000000000002e-06,0.0177,0.111
1966,0.236,1.16e-06,0.0182,0.117
1967,0.247,1.2099999999999998e-06,0.018699999999999998,0.122
1968,0.26,1.26e-06,0.0192,0.122
1969,0.278,1.31e-06,0.0197,0.121
1970,0.303,1.2299999999999999e-06,0.02,0.12
1971,0.303,1.2e-06,0.021,0.125
1972,0.316,1.2099999999999998e-06,0.0216,0.129
1973,0.337,1.33e-06,0.0222,0.13
1974,0.37,1.28e-06,0.0228,0.134
1975,0.41,1.22e-06,0.0233,0.136
1976,0.453,1.16e-06,0.0238,0.137
1977,0.488,1.1100000000000002e-06,0.0245,0.137
1978,0.524,1.1100000000000002e-06,0.0251,0.14
1979,0.571,1.08e-06,0.0257,0.142
1980,0.609,1.08e-06,0.0263,0.144
1981,0.645,1.08e-06,0.0269,0.143
1982,0.691,9.970000000000002e-07,0.027399999999999997,0.144
1983,0.736,9.970000000000002e-07,0.028,0.145
1984,0.796,1.02e-06,0.0287,0.148
1985,0.863,9.600000000000001e-07,0.0295,0.148
1986,0.917,7.799999999999999e-07,0.030199999999999998,0.147
1987,0.968,5.4e-07,0.0308,0.148
1988,1.03,5.46e-07,0.0315,0.145
1989,1.06,5.41e-07,0.032100000000000004,0.146
1990,1.07,5.31e-07,0.0329,0.144
1991,1.07,4.979999999999999e-07,0.0339,0.141
1992,0.703,3.73e-07,0.0345,0.0917
1993,0.835,3.63e-07,0.0355,0.11
1994,0.608,3.76e-07,0.0365,0.117
1995,0.577,3.76e-07,0.037200000000000004,0.121
1996,0.629,2.7999999999999997e-07,0.038,0.125
1997,0.343,2.84e-07,0.0386,0.106
1998,0.369,1.9499999999999999e-07,0.039200000000000006,0.114
1999,0.54,9.009999999999999e-08,0.0399,0.13
2000,0.778,9.25e-08,0.0404,0.151
2001,0.864,6.279999999999999e-08,0.0409,0.158
2002,0.978,8.16e-08,0.0414,0.181
2003,1.1,8.16e-08,0.0418,0.207
2004,1.07,8.16e-08,0.0428,0.219
2005,1.16,8.16e-08,0.0427,0.227
2006,1.19,8.16e-08,0.0441,0.237
2007,1.17,8.16e-08,0.045,0.221
2008,1.24,8.16e-08,0.045700000000000005,0.245
2009,0.793,8.16e-08,0.046200000000000005,0.232
2010,0.88,8.16e-08,0.0471,0.235
2011,1.13,8.16e-08,0.0479,0.231
2012,1.23,8.16e-08,0.0487,0.253
2013,1.33,8.16e-08,0.0496,0.255
2014,1.31,8.16e-08,0.0505,0.257
2015,1.34,8.16e-08,0.0515,0.257
2016,1.29,8.409999999999999e-08,0.0518,0.259
2017,1.31,8.459999999999999e-08,0.0526,0.261
2018,1.33,8.500000000000001e-08,0.053399999999999996,0.258