year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000684,2.69e-08,0.00605,0.0855
1851,0.0006879999999999999,2.92e-08,0.0061200000000000004,0.0855
1852,0.000699,3.17e-08,0.0062,0.0855
1853,0.000716,3.46e-08,0.00628,0.0855
1854,0.000741,3.7799999999999994e-08,0.00635,0.0855
1855,0.000772,4.1399999999999994e-08,0.00643,0.0856
1856,0.0008100000000000001,4.51e-08,0.0065,0.0856
1857,0.000853,4.9200000000000004e-08,0.00657,0.0857
1858,0.000903,5.3600000000000004e-08,0.00664,0.0857
1859,0.000959,5.82e-08,0.00671,0.0858
1860,0.00102,6.31e-08,0.00677,0.0859
1861,0.00109,6.82e-08,0.00683,0.086
1862,0.00116,7.36e-08,0.006889999999999999,0.0861
1863,0.00124,7.92e-08,0.0069500000000000004,0.0862
1864,0.00132,8.500000000000001e-08,0.007,0.0863
1865,0.00141,9.11e-08,0.0070599999999999994,0.0864
1866,0.00151,9.74e-08,0.00711,0.0866
1867,0.0016,1.0399999999999999e-07,0.00717,0.0867
1868,0.00171,1.11e-07,0.00723,0.0868
1869,0.00181,1.17e-07,0.00729,0.087
1870,0.0019199999999999998,1.24e-07,0.00737,0.0871
1871,0.00204,1.3200000000000002e-07,0.00744,0.0873
1872,0.00216,1.39e-07,0.00753,0.0875
1873,0.00228,1.47e-07,0.00762,0.0877
1874,0.0024100000000000002,1.54e-07,0.007719999999999999,0.0878
1875,0.00254,1.62e-07,0.00782,0.088
1876,0.00267,1.7000000000000001e-07,0.00792,0.0882
1877,0.00281,1.7799999999999998e-07,0.008029999999999999,0.0884
1878,0.0029500000000000004,1.87e-07,0.008140000000000001,0.0886
1879,0.00309,1.9499999999999999e-07,0.00824,0.0889
1880,0.00323,2.04e-07,0.00835,0.0891
1881,0.0033799999999999998,2.12e-07,0.00845,0.08929999999999999
1882,0.0035299999999999997,2.21e-07,0.00855,0.0895
1883,0.00368,2.3e-07,0.00866,0.08979999999999999
1884,0.00383,2.39e-07,0.00877,0.09
1885,0.0039900000000000005,2.48e-07,0.00888,0.09029999999999999
1886,0.00415,2.5700000000000004e-07,0.00899,0.0905
1887,0.0043,2.66e-07,0.0091,0.09079999999999999
1888,0.0044599999999999996,2.75e-07,0.009210000000000001,0.091
1889,0.00462,2.84e-07,0.00931,0.09129999999999999
1890,0.00525,4.41e-07,0.00951,0.08929999999999999
1891,0.00619,4.72e-07,0.00966,0.09129999999999999
1892,0.0071200000000000005,5.11e-07,0.009810000000000001,0.0932
1893,0.008029999999999999,5.56e-07,0.009970000000000001,0.09509999999999999
1894,0.00893,6.07e-07,0.0101,0.0968
1895,0.009800000000000001,6.629999999999999e-07,0.0103,0.0984
1896,0.0107,7.240000000000001e-07,0.0104,0.0997
1897,0.0115,7.89e-07,0.0106,0.101
1898,0.0123,8.57e-07,0.0108,0.102
1899,0.013099999999999999,9.29e-07,0.0109,0.102
1900,0.013900000000000001,1e-06,0.0111,0.103
1901,0.0147,1.09e-06,0.011300000000000001,0.103
1902,0.0155,1.2e-06,0.0115,0.103
1903,0.016399999999999998,1.32e-06,0.0116,0.103
1904,0.0173,1.4499999999999999e-06,0.011800000000000001,0.102
1905,0.0182,1.5800000000000001e-06,0.012,0.102
1906,0.019,1.71e-06,0.012199999999999999,0.102
1907,0.019600000000000003,1.84e-06,0.0124,0.102
1908,0.0201,1.95e-06,0.0126,0.102
1909,0.0205,2.0500000000000003e-06,0.0128,0.102
1910,0.0206,2.13e-06,0.013,0.102
1911,0.0202,2.19e-06,0.013099999999999999,0.104
1912,0.019100000000000002,2.2399999999999997e-06,0.013300000000000001,0.107
1913,0.0175,2.2799999999999998e-06,0.0135,0.112
1914,0.0155,2.32e-06,0.013699999999999999,0.118
1915,0.0134,2.3600000000000003e-06,0.013900000000000001,0.125
1916,0.0112,2.4e-06,0.0141,0.133
1917,0.00928,2.44e-06,0.0143,0.139
1918,0.00766,2.48e-06,0.0145,0.146
1919,0.00656,2.52e-06,0.0147,0.151
1920,0.00617,2.58e-06,0.015,0.154
1921,0.00664,2.63e-06,0.015300000000000001,0.156
1922,0.00797,2.69e-06,0.0156,0.158
1923,0.0101,2.76e-06,0.0159,0.16
1924,0.0128,2.82e-06,0.0162,0.162
1925,0.0161,2.8999999999999998e-06,0.0166,0.164
1926,0.0198,2.97e-06,0.0171,0.165
1927,0.023899999999999998,3.06e-06,0.0175,0.166
1928,0.0282,3.14e-06,0.0181,0.167
1929,0.032600000000000004,3.24e-06,0.018699999999999998,0.168
1930,0.0371,3.34e-06,0.019399999999999997,0.168
1931,0.0425,3.47e-06,0.020399999999999998,0.167
1932,0.0495,3.6099999999999997e-06,0.0218,0.166
1933,0.0577,3.78e-06,0.0237,0.164
1934,0.0668,3.969999999999999e-06,0.0258,0.161
1935,0.07629999999999999,4.17e-06,0.028,0.158
1936,0.0859,4.37e-06,0.0304,0.155
1937,0.0953,4.57e-06,0.0327,0.152
1938,0.104,4.77e-06,0.0349,0.149
1939,0.112,4.96e-06,0.0368,0.148
1940,0.118,5.13e-06,0.0384,0.147
1941,0.123,5.29e-06,0.039700000000000006,0.148
1942,0.127,5.420000000000001e-06,0.040799999999999996,0.149
1943,0.13,5.55e-06,0.0419,0.15
1944,0.133,5.67e-06,0.0428,0.152
1945,0.137,5.79e-06,0.0438,0.155
1946,0.14,5.93e-06,0.044700000000000004,0.158
1947,0.143,6.0699999999999995e-06,0.045700000000000005,0.161
1948,0.147,6.2300000000000005e-06,0.046799999999999994,0.164
1949,0.152,6.42e-06,0.048,0.167
1950,0.158,6.64e-06,0.0493,0.171
1951,0.167,6.94e-06,0.0509,0.174
1952,0.18,7.34e-06,0.0528,0.179
1953,0.196,7.83e-06,0.054799999999999995,0.184
1954,0.215,8.380000000000001e-06,0.057,0.19
1955,0.236,8.99e-06,0.0593,0.196
1956,0.259,9.64e-06,0.061700000000000005,0.202
1957,0.281,1.03e-05,0.06420000000000001,0.208
1958,0.304,1.1e-05,0.06659999999999999,0.214
1959,0.326,1.1599999999999999e-05,0.069,0.22
1960,0.346,1.22e-05,0.0713,0.225
1961,0.364,1.2800000000000001e-05,0.0736,0.219
1962,0.378,1.35e-05,0.07590000000000001,0.233
1963,0.39,1.41e-05,0.0783,0.244
1964,0.402,1.47e-05,0.08059999999999999,0.238
1965,0.415,1.53e-05,0.083,0.241
1966,0.43,1.6e-05,0.0853,0.255
1967,0.45,1.66e-05,0.0877,0.264
1968,0.475,1.73e-05,0.09,0.265
1969,0.507,1.7999999999999997e-05,0.0923,0.263
1970,0.551,1.78e-05,0.09570000000000001,0.26
1971,0.551,1.7500000000000002e-05,0.101,0.271
1972,0.576,1.7999999999999997e-05,0.105,0.278
1973,0.612,2e-05,0.108,0.282
1974,0.672,1.96e-05,0.111,0.289
1975,0.739,2.03e-05,0.115,0.295
1976,0.817,2.2100000000000002e-05,0.119,0.296
1977,0.876,2.24e-05,0.123,0.296
1978,0.947,2.31e-05,0.127,0.301
1979,1.03,1.98e-05,0.131,0.305
1980,1.1,2.2599999999999997e-05,0.135,0.309
1981,1.16,2.2599999999999997e-05,0.138,0.308
1982,1.24,2.24e-05,0.142,0.31
1983,1.37,2.2100000000000002e-05,0.147,0.313
1984,1.48,2.2e-05,0.15,0.319
1985,1.6,2.18e-05,0.154,0.32
1986,1.7,2.17e-05,0.16,0.317
1987,1.79,2.18e-05,0.164,0.32
1988,1.94,2.18e-05,0.168,0.313
1989,2.0,2.13e-05,0.171,0.315
1990,2.1,2.04e-05,0.173,0.311
1991,2.18,1.72e-05,0.175,0.334
1992,2.17,1.44e-05,0.177,0.353
1993,3.44,1.2800000000000001e-05,0.179,0.36
1994,2.81,8.789999999999999e-06,0.18,0.358
1995,2.88,8.030000000000001e-06,0.182,0.35
1996,2.98,1.09e-05,0.184,0.344
1997,2.61,1.06e-05,0.186,0.343
1998,2.44,1.06e-05,0.188,0.347
1999,2.66,1.1e-05,0.19,0.349
2000,3.21,1.2699999999999999e-05,0.191,0.35
2001,3.34,1.22e-05,0.192,0.352
2002,3.38,1.7100000000000002e-05,0.195,0.363
2003,3.44,7.939999999999999e-05,0.196,0.382
2004,3.38,0.000124,0.196,0.405
2005,3.48,0.00013900000000000002,0.196,0.418
2006,4.06,0.000147,0.213,0.442
2007,4.07,0.000158,0.216,0.47
2008,4.17,0.00014399999999999998,0.309,0.503
2009,3.43,0.000145,0.314,0.536
2010,3.25,0.000147,0.321,0.569
2011,3.25,0.000154,0.33,0.602
2012,3.26,0.000148,0.335,0.616
2013,3.02,0.000156,0.338,0.64
2014,3.03,0.000156,0.342,0.668
2015,2.97,0.000155,0.349,0.691
2016,3.14,0.000193,0.383,0.771
2017,3.11,0.000202,0.397,0.79
2018,3.07,0.00020999999999999998,0.411,0.812