year,IPC1,IPC2,IPC4,IPCMAG
1850,3.05e-05,4.02e-08,0.000805,0.000252
1851,3.07e-05,7.6e-08,0.0008020000000000001,0.000285
1852,3.09e-05,1.12e-07,0.000799,0.000316
1853,3.11e-05,1.49e-07,0.0007970000000000001,0.000348
1854,3.12e-05,1.86e-07,0.000794,0.000378
1855,3.14e-05,2.23e-07,0.0007920000000000001,0.000408
1856,3.16e-05,2.61e-07,0.00079,0.000438
1857,3.18e-05,2.99e-07,0.0007880000000000001,0.000467
1858,3.2e-05,3.37e-07,0.000787,0.000495
1859,3.2099999999999994e-05,3.76e-07,0.000786,0.000523
1860,3.23e-05,4.15e-07,0.000785,0.00055
1861,3.2500000000000004e-05,4.5399999999999996e-07,0.000785,0.0005759999999999999
1862,3.27e-05,4.94e-07,0.000785,0.000602
1863,3.29e-05,5.34e-07,0.0007840000000000001,0.000627
1864,3.31e-05,5.75e-07,0.0007840000000000001,0.000652
1865,3.33e-05,6.149999999999999e-07,0.0007840000000000001,0.0006760000000000001
1866,3.35e-05,6.56e-07,0.0007840000000000001,0.0007
1867,3.37e-05,6.98e-07,0.0007840000000000001,0.000723
1868,3.39e-05,7.389999999999999e-07,0.0007840000000000001,0.000745
1869,3.4099999999999995e-05,7.81e-07,0.0007840000000000001,0.000767
1870,3.43e-05,8.23e-07,0.0007840000000000001,0.0007880000000000001
1871,3.4500000000000005e-05,8.66e-07,0.0007840000000000001,0.000808
1872,3.47e-05,9.079999999999999e-07,0.000785,0.000828
1873,3.5000000000000004e-05,9.51e-07,0.000787,0.000847
1874,3.52e-05,9.940000000000001e-07,0.00079,0.000866
1875,3.54e-05,1.04e-06,0.0007930000000000001,0.000884
1876,3.56e-05,1.08e-06,0.000796,0.000901
1877,3.5799999999999996e-05,1.13e-06,0.0008,0.0009180000000000001
1878,3.5999999999999994e-05,1.17e-06,0.000804,0.000934
1879,3.63e-05,1.2099999999999998e-06,0.000808,0.000949
1880,3.65e-05,1.26e-06,0.0008110000000000001,0.000964
1881,3.6700000000000004e-05,1.2999999999999998e-06,0.000815,0.000978
1882,3.69e-05,1.35e-06,0.000819,0.000991
1883,3.7199999999999996e-05,1.39e-06,0.000824,0.001
1884,3.74e-05,1.4400000000000002e-06,0.000829,0.00102
1885,3.76e-05,1.48e-06,0.000834,0.00103
1886,3.78e-05,1.53e-06,0.0008399999999999999,0.0010400000000000001
1887,3.8100000000000005e-05,1.57e-06,0.0008449999999999999,0.0010500000000000002
1888,3.83e-05,1.62e-06,0.00085,0.00106
1889,3.85e-05,1.67e-06,0.000855,0.00107
1890,4.51e-05,2.61e-06,0.000873,0.0011799999999999998
1891,4.6e-05,2.79e-06,0.000887,0.0011899999999999999
1892,4.7e-05,3.0200000000000003e-06,0.0009,0.00121
1893,4.81e-05,3.28e-06,0.000915,0.00124
1894,4.93e-05,3.59e-06,0.000929,0.00127
1895,5.05e-05,3.92e-06,0.000944,0.0013
1896,5.17e-05,4.28e-06,0.000959,0.00134
1897,5.31e-05,4.66e-06,0.000975,0.00138
1898,5.4499999999999997e-05,5.07e-06,0.00099,0.0014199999999999998
1899,5.59e-05,5.49e-06,0.00101,0.00147
1900,5.74e-05,5.93e-06,0.00102,0.00152
1901,6.0400000000000004e-05,6.45e-06,0.0010400000000000001,0.00157
1902,6.6e-05,7.08e-06,0.00106,0.00163
1903,7.38e-05,7.8e-06,0.00107,0.0016899999999999999
1904,8.340000000000001e-05,8.57e-06,0.00109,0.00176
1905,9.44e-05,9.37e-06,0.00111,0.00184
1906,0.000106,1.02e-05,0.00113,0.0019199999999999998
1907,0.00011899999999999999,1.09e-05,0.00115,0.0020099999999999996
1908,0.000131,1.1599999999999999e-05,0.00117,0.00211
1909,0.00014399999999999998,1.22e-05,0.0011899999999999999,0.00221
1910,0.000155,1.26e-05,0.00121,0.00232
1911,0.000166,1.3e-05,0.00122,0.00246
1912,0.000177,1.33e-05,0.00124,0.00262
1913,0.000188,1.3599999999999999e-05,0.00126,0.00281
1914,0.000199,1.38e-05,0.00128,0.00302
1915,0.000212,1.4e-05,0.0013,0.00325
1916,0.000225,1.43e-05,0.00132,0.00347
1917,0.00023899999999999998,1.45e-05,0.00134,0.0037
1918,0.000255,1.47e-05,0.00136,0.00392
1919,0.000273,1.4999999999999999e-05,0.00139,0.00413
1920,0.00029299999999999997,1.53e-05,0.0014299999999999998,0.00431
1921,0.000316,1.57e-05,0.00147,0.00449
1922,0.000342,1.6e-05,0.0015300000000000001,0.00466
1923,0.000372,1.6400000000000002e-05,0.00161,0.00483
1924,0.00040699999999999997,1.68e-05,0.0016899999999999999,0.005
1925,0.000446,1.72e-05,0.0017900000000000001,0.0051600000000000005
1926,0.00049,1.77e-05,0.0019,0.00532
1927,0.000539,1.8200000000000002e-05,0.0020099999999999996,0.00546
1928,0.000594,1.87e-05,0.00213,0.0056
1929,0.000655,1.92e-05,0.00225,0.005730000000000001
1930,0.000722,1.9900000000000003e-05,0.00237,0.00584
1931,0.000833,2.06e-05,0.00249,0.00594
1932,0.00101,2.14e-05,0.00262,0.00605
1933,0.00124,2.24e-05,0.00276,0.0061600000000000005
1934,0.0015,2.35e-05,0.0029100000000000003,0.00626
1935,0.00177,2.47e-05,0.00307,0.00636
1936,0.0020299999999999997,2.59e-05,0.0032400000000000003,0.00645
1937,0.00227,2.7099999999999998e-05,0.00342,0.00652
1938,0.0024700000000000004,2.82e-05,0.00361,0.00657
1939,0.0026,2.93e-05,0.00381,0.00661
1940,0.00264,3.04e-05,0.004019999999999999,0.00662
1941,0.0026,3.13e-05,0.00425,0.00661
1942,0.00248,3.2099999999999994e-05,0.0045,0.00657
1943,0.0023,3.2800000000000004e-05,0.00479,0.00652
1944,0.00209,3.36e-05,0.00509,0.00645
1945,0.00185,3.43e-05,0.00541,0.00638
1946,0.0016200000000000001,3.51e-05,0.005730000000000001,0.00631
1947,0.0014,3.5999999999999994e-05,0.00607,0.00625
1948,0.00122,3.7e-05,0.0064,0.00619
1949,0.0011,3.8100000000000005e-05,0.00674,0.0061600000000000005
1950,0.00106,3.9399999999999995e-05,0.00707,0.00614
1951,0.0011,4.12e-05,0.00739,0.00617
1952,0.0012,4.35e-05,0.00771,0.00626
1953,0.0013700000000000001,4.6399999999999996e-05,0.008029999999999999,0.00638
1954,0.00158,4.97e-05,0.00835,0.00654
1955,0.00183,5.3400000000000004e-05,0.00868,0.00671
1956,0.00211,5.72e-05,0.00902,0.006889999999999999
1957,0.0024,6.110000000000001e-05,0.00937,0.00707
1958,0.00269,6.510000000000001e-05,0.00973,0.00724
1959,0.00298,6.890000000000001e-05,0.0101,0.00738
1960,0.00325,7.26e-05,0.0105,0.0074800000000000005
1961,0.00349,7.65e-05,0.011,0.00767
1962,0.0037,8.1e-05,0.0114,0.00846
1963,0.0039,8.59e-05,0.012,0.00795
1964,0.00411,9.1e-05,0.0125,0.00611
1965,0.00433,9.59e-05,0.013099999999999999,0.00808
1966,0.0046,0.0001,0.0136,0.0086
1967,0.00492,0.000104,0.014199999999999999,0.00872
1968,0.0053,0.000108,0.0147,0.008060000000000001
1969,0.00577,0.00011,0.0152,0.00796
1970,0.00664,0.00011,0.0149,0.00842
1971,0.0066500000000000005,0.00011,0.0157,0.00871
1972,0.0078,0.000116,0.0159,0.00937
1973,0.00852,0.000127,0.0162,0.0105
1974,0.00886,0.00013000000000000002,0.016399999999999998,0.009720000000000001
1975,0.008029999999999999,0.000123,0.0166,0.00865
1976,0.00895,0.000132,0.0169,0.00867
1977,0.010199999999999999,0.000131,0.0171,0.0101
1978,0.0104,0.000135,0.0171,0.0089
1979,0.0106,0.00014000000000000001,0.0174,0.009269999999999999
1980,0.011699999999999999,0.000135,0.0175,0.00809
1981,0.013300000000000001,0.000132,0.0179,0.00728
1982,0.0135,0.000122,0.0183,0.00647
1983,0.013300000000000001,0.000123,0.018699999999999998,0.0064800000000000005
1984,0.0125,0.00013000000000000002,0.019100000000000002,0.00645
1985,0.0112,0.000145,0.0224,0.00555
1986,0.012,0.000155,0.023,0.00418
1987,0.012199999999999999,0.00016800000000000002,0.0237,0.00373
1988,0.012,0.000182,0.024399999999999998,0.00261
1989,0.0124,0.000178,0.0247,0.0028399999999999996
1990,0.0146,0.000182,0.0253,0.00244
1991,0.0165,0.000192,0.026,6.28e-05
1992,0.0174,0.000205,0.027,5.82e-05
1993,0.019100000000000002,0.000195,0.027399999999999997,5.79e-05
1994,0.02,0.000215,0.0286,6.09e-05
1995,0.019100000000000002,0.000225,0.0294,5.49e-05
1996,0.02,0.000242,0.0304,7.3e-05
1997,0.019899999999999998,0.000255,0.0313,5.49e-05
1998,0.0188,0.000265,0.0322,4.8e-05
1999,0.0166,0.00028000000000000003,0.033100000000000004,5.2900000000000005e-05
2000,0.016,0.000294,0.0341,5.2699999999999993e-05
2001,0.016,0.000331,0.036,5.59e-05
2002,0.016,0.00041299999999999996,0.0384,6.49e-05
2003,0.0175,0.000496,0.041,6.94e-05
2004,0.019899999999999998,0.000579,0.0436,6.74e-05
2005,0.0208,0.000661,0.0465,6.809999999999999e-05
2006,0.020399999999999998,0.000743,0.0492,6.78e-05
2007,0.0205,0.000776,0.051,7.340000000000001e-05
2008,0.0205,0.0008259999999999999,0.052700000000000004,7.36e-05
2009,0.0178,0.000859,0.053700000000000005,7.78e-05
2010,0.0193,0.000892,0.055200000000000006,7.99e-05
2011,0.0202,0.000925,0.056600000000000004,7.97e-05
2012,0.0202,0.000958,0.0576,8.39e-05
2013,0.0192,0.000991,0.0591,8.39e-05
2014,0.0185,0.0009180000000000001,0.0585,8.39e-05
2015,0.0177,0.0009180000000000001,0.0592,8.38e-05
2016,0.019899999999999998,0.0011,0.06409999999999999,8.609999999999999e-05
2017,0.02,0.00115,0.0658,8.649999999999999e-05
2018,0.0201,0.0011899999999999999,0.0675,8.76e-05