year,IPC1,IPC2,IPC4,IPCMAG
1850,0.00594,5.67e-06,2.81e-07,5.31e-06
1851,0.00625,5.97e-06,2.96e-07,5.590000000000001e-06
1852,0.0065899999999999995,6.29e-06,3.12e-07,5.89e-06
1853,0.0069500000000000004,6.629999999999999e-06,3.29e-07,6.22e-06
1854,0.00733,7e-06,3.4699999999999997e-07,6.56e-06
1855,0.00774,7.3800000000000005e-06,3.66e-07,6.92e-06
1856,0.00816,7.78e-06,3.86e-07,7.3e-06
1857,0.0086,8.200000000000001e-06,4.0700000000000003e-07,7.69e-06
1858,0.00905,8.64e-06,4.28e-07,8.1e-06
1859,0.009519999999999999,9.090000000000001e-06,4.5e-07,8.52e-06
1860,0.01,9.55e-06,4.73e-07,8.949999999999999e-06
1861,0.0105,1e-05,4.970000000000001e-07,9.4e-06
1862,0.011,1.0500000000000001e-05,5.22e-07,9.87e-06
1863,0.0116,1.11e-05,5.48e-07,1.0399999999999999e-05
1864,0.012199999999999999,1.1599999999999999e-05,5.76e-07,1.09e-05
1865,0.0128,1.22e-05,6.040000000000001e-07,1.1400000000000001e-05
1866,0.0134,1.2800000000000001e-05,6.34e-07,1.2e-05
1867,0.0141,1.34e-05,6.65e-07,1.26e-05
1868,0.0147,1.41e-05,6.970000000000001e-07,1.32e-05
1869,0.0155,1.47e-05,7.31e-07,1.38e-05
1870,0.0162,1.55e-05,7.66e-07,1.45e-05
1871,0.017,1.62e-05,8.04e-07,1.52e-05
1872,0.0178,1.7e-05,8.43e-07,1.59e-05
1873,0.018699999999999998,1.7899999999999998e-05,8.85e-07,1.67e-05
1874,0.019600000000000003,1.87e-05,9.29e-07,1.76e-05
1875,0.0206,1.9699999999999998e-05,9.76e-07,1.84e-05
1876,0.0216,2.06e-05,1.02e-06,1.93e-05
1877,0.022699999999999998,2.16e-05,1.07e-06,2.03e-05
1878,0.0237,2.2700000000000003e-05,1.1199999999999999e-06,2.12e-05
1879,0.0248,2.37e-05,1.1800000000000001e-06,2.22e-05
1880,0.026,2.48e-05,1.2299999999999999e-06,2.3199999999999998e-05
1881,0.027100000000000003,2.58e-05,1.28e-06,2.42e-05
1882,0.028300000000000002,2.7e-05,1.34e-06,2.53e-05
1883,0.0295,2.81e-05,1.39e-06,2.63e-05
1884,0.030699999999999998,2.93e-05,1.4499999999999999e-06,2.75e-05
1885,0.032,3.05e-05,1.5100000000000002e-06,2.86e-05
1886,0.033299999999999996,3.18e-05,1.5800000000000001e-06,2.98e-05
1887,0.0347,3.31e-05,1.64e-06,3.1e-05
1888,0.0361,3.4500000000000005e-05,1.71e-06,3.23e-05
1889,0.0376,3.59e-05,1.78e-06,3.36e-05
1890,0.0421,3.53e-05,1.99e-06,3.76e-05
1891,0.0437,3.53e-05,2.0699999999999997e-06,3.91e-05
1892,0.0456,3.53e-05,2.16e-06,4.08e-05
1893,0.0476,3.53e-05,2.2499999999999996e-06,4.26e-05
1894,0.0498,3.53e-05,2.35e-06,4.45e-05
1895,0.0521,3.53e-05,2.4599999999999997e-06,4.66e-05
1896,0.0546,3.53e-05,2.58e-06,4.88e-05
1897,0.0572,3.53e-05,2.7e-06,5.11e-05
1898,0.0599,3.53e-05,2.83e-06,5.36e-05
1899,0.0627,3.53e-05,2.97e-06,5.6099999999999995e-05
1900,0.06570000000000001,3.53e-05,3.11e-06,5.8700000000000004e-05
1901,0.0688,3.53e-05,3.25e-06,6.15e-05
1902,0.0723,3.53e-05,3.42e-06,6.469999999999999e-05
1903,0.0761,3.54e-05,3.6e-06,6.809999999999999e-05
1904,0.08020000000000001,3.54e-05,3.79e-06,7.17e-05
1905,0.0844,3.54e-05,3.99e-06,7.539999999999999e-05
1906,0.0886,3.54e-05,4.1900000000000005e-06,7.929999999999999e-05
1907,0.093,3.54e-05,4.4e-06,8.309999999999999e-05
1908,0.0973,3.54e-05,4.6e-06,8.7e-05
1909,0.101,3.54e-05,4.8e-06,9.070000000000001e-05
1910,0.105,3.54e-05,4.99e-06,9.429999999999999e-05
1911,0.109,3.54e-05,5.1700000000000005e-06,9.779999999999999e-05
1912,0.113,3.54e-05,5.35e-06,0.000101
1913,0.117,3.54e-05,5.53e-06,0.00010499999999999999
1914,0.121,3.54e-05,5.7000000000000005e-06,0.000108
1915,0.124,3.54e-05,5.88e-06,0.000111
1916,0.128,3.54e-05,6.0600000000000004e-06,0.000114
1917,0.132,3.54e-05,6.2399999999999995e-06,0.000118
1918,0.136,3.54e-05,6.43e-06,0.000122
1919,0.14,3.54e-05,6.62e-06,0.000125
1920,0.144,3.54e-05,6.83e-06,0.000129
1921,0.149,3.66e-05,7.05e-06,0.000133
1922,0.154,3.9699999999999996e-05,7.270000000000001e-06,0.00013700000000000002
1923,0.159,4.4699999999999996e-05,7.499999999999999e-06,0.00014199999999999998
1924,0.164,5.11e-05,7.74e-06,0.000146
1925,0.169,5.88e-05,7.99e-06,0.00015099999999999998
1926,0.174,6.75e-05,8.25e-06,0.000156
1927,0.18,7.69e-05,8.51e-06,0.000161
1928,0.186,8.669999999999999e-05,8.779999999999999e-06,0.000166
1929,0.192,9.66e-05,9.06e-06,0.000171
1930,0.198,0.000106,9.35e-06,0.000177
1931,0.204,0.00011700000000000001,9.65e-06,0.000182
1932,0.21,0.000128,9.950000000000001e-06,0.000188
1933,0.217,0.00014000000000000001,1.03e-05,0.000194
1934,0.224,0.000153,1.06e-05,0.0002
1935,0.231,0.00016800000000000002,1.09e-05,0.000206
1936,0.238,0.000183,1.1299999999999999e-05,0.000213
1937,0.246,0.0002,1.1599999999999999e-05,0.00022
1938,0.254,0.00021799999999999999,1.2e-05,0.00022700000000000002
1939,0.263,0.00023799999999999998,1.24e-05,0.000235
1940,0.271,0.000259,1.2800000000000001e-05,0.000243
1941,0.28,0.00028199999999999997,1.33e-05,0.000251
1942,0.289,0.000309,1.3700000000000001e-05,0.000259
1943,0.299,0.00034,1.41e-05,0.00026700000000000004
1944,0.308,0.000373,1.46e-05,0.00027600000000000004
1945,0.319,0.00041,1.5100000000000001e-05,0.000285
1946,0.33,0.000449,1.56e-05,0.00029499999999999996
1947,0.342,0.000491,1.62e-05,0.000306
1948,0.357,0.000535,1.6899999999999997e-05,0.000319
1949,0.372,0.0005809999999999999,1.76e-05,0.000333
1950,0.331,0.000628,1.56e-05,0.000296
1951,0.363,0.000679,1.72e-05,0.000325
1952,0.424,0.000734,2e-05,0.000379
1953,0.568,0.000794,2.69e-05,0.000508
1954,0.596,0.000857,2.82e-05,0.000533
1955,0.661,0.0009260000000000001,3.13e-05,0.0005909999999999999
1956,0.699,0.000998,3.3e-05,0.000625
1957,0.685,0.00107,3.24e-05,0.000612
1958,0.582,0.00116,2.75e-05,0.000521
1959,0.703,0.00124,3.33e-05,0.000629
1960,0.838,0.00133,3.96e-05,0.00075
1961,0.936,0.0014199999999999998,4.43e-05,0.000837
1962,0.862,0.0015300000000000001,4.07e-05,0.0007700000000000001
1963,0.782,0.00163,3.7e-05,0.0007
1964,0.824,0.00175,3.9e-05,0.000737
1965,1.37,0.0018700000000000001,6.48e-05,0.00122
1966,1.5,0.002,7.09e-05,0.00134
1967,1.68,0.00215,7.950000000000001e-05,0.0015
1968,1.69,0.0023,8e-05,0.00151
1969,1.74,0.0024700000000000004,8.219999999999999e-05,0.00155
1970,2.01,0.00235,7.48e-05,0.00138
1971,1.9,0.0023799999999999997,7.65e-05,0.00157
1972,1.98,0.0024300000000000003,7.77e-05,0.00198
1973,2.29,0.00292,7.81e-05,0.00198
1974,1.97,0.0028599999999999997,7.939999999999999e-05,0.00237
1975,2.32,0.0031,8.05e-05,0.00172
1976,2.23,0.00309,8.16e-05,0.00131
1977,2.41,0.00329,8.14e-05,0.00114
1978,2.61,0.00325,8.16e-05,0.00271
1979,1.93,0.0033599999999999997,8.17e-05,0.0016
1980,2.27,0.0033399999999999997,8.29e-05,0.00108
1981,2.29,0.00381,8.400000000000001e-05,0.0024300000000000003
1982,1.78,0.00359,8.04e-05,0.0024500000000000004
1983,1.58,0.00362,7.89e-05,0.00261
1984,1.78,0.0035499999999999998,7.8e-05,0.00262
1985,1.8,0.004070000000000001,7.91e-05,0.0020099999999999996
1986,1.33,0.00366,7.92e-05,0.00354
1987,1.66,0.0036,7.97e-05,0.00228
1988,1.78,0.00331,7.89e-05,0.0032400000000000003
1989,1.5,0.00296,7.77e-05,0.00352
1990,1.44,0.0028599999999999997,7.72e-05,0.00235
1991,1.44,0.00319,7.939999999999999e-05,0.00382
1992,1.44,0.00323,8.23e-05,0.0033399999999999997
1993,1.44,0.0035099999999999997,8.54e-05,0.0030499999999999998
1994,1.44,0.0034500000000000004,8.89e-05,0.0024500000000000004
1995,1.47,0.0031,9.15e-05,0.00372
1996,1.53,0.00321,9.510000000000001e-05,0.00344
1997,1.68,0.00318,9.84e-05,0.0045
1998,1.77,0.0034500000000000004,9.89e-05,0.00462
1999,1.72,0.00362,0.000101,0.00534
2000,1.69,0.00325,0.000102,0.0037
2001,2.09,0.00347,0.000104,0.00377
2002,1.66,0.00349,0.000106,0.00483
2003,1.66,0.00346,0.000107,0.004889999999999999
2004,1.66,0.0033799999999999998,0.00011,0.004900000000000001
2005,1.46,0.00367,0.00011,0.00592
2006,1.31,0.0035600000000000002,0.000112,0.00623
2007,1.59,0.00352,0.000114,0.00218
2008,1.59,0.00359,0.000116,0.00244
2009,1.59,0.0038399999999999997,0.00011700000000000001,0.00281
2010,1.75,0.00367,0.00011899999999999999,0.00411
2011,1.81,0.00347,0.00011999999999999999,0.0015400000000000001
2012,2.03,0.00415,0.000122,0.00035299999999999996
2013,1.97,0.00445,0.000122,0.00196
2014,2.05,0.004860000000000001,0.000122,0.00173
2015,2.11,0.0365,0.000122,0.0015
2016,2.18,0.184,0.000122,0.00126
2017,2.28,0.203,0.000123,0.00103
2018,2.32,0.202,0.000123,0.000791