year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0216,5.35e-05,9e-07,0.000114
1851,0.022699999999999998,5.63e-05,9.47e-07,0.00011999999999999999
1852,0.024,5.93e-05,9.98e-07,0.000127
1853,0.0253,6.26e-05,1.05e-06,0.000134
1854,0.026699999999999998,6.6e-05,1.1100000000000002e-06,0.00014099999999999998
1855,0.0281,6.96e-05,1.17e-06,0.000149
1856,0.0297,7.340000000000001e-05,1.24e-06,0.000157
1857,0.0313,7.74e-05,1.2999999999999998e-06,0.000165
1858,0.0329,8.15e-05,1.37e-06,0.000174
1859,0.0346,8.57e-05,1.4400000000000002e-06,0.000183
1860,0.0364,9.01e-05,1.52e-06,0.000192
1861,0.038200000000000005,9.460000000000001e-05,1.59e-06,0.000202
1862,0.040100000000000004,9.94e-05,1.67e-06,0.000212
1863,0.0422,0.000104,1.76e-06,0.000223
1864,0.0443,0.00011,1.84e-06,0.00023400000000000002
1865,0.0465,0.000115,1.93e-06,0.000246
1866,0.0487,0.000121,2.03e-06,0.000258
1867,0.0511,0.000127,2.13e-06,0.00027
1868,0.0536,0.000133,2.2300000000000002e-06,0.00028399999999999996
1869,0.0562,0.00013900000000000002,2.34e-06,0.000297
1870,0.0589,0.000146,2.45e-06,0.000312
1871,0.061799999999999994,0.000153,2.57e-06,0.00032700000000000003
1872,0.0648,0.00016,2.7e-06,0.00034300000000000004
1873,0.0681,0.00016800000000000002,2.83e-06,0.00035999999999999997
1874,0.0715,0.000177,2.98e-06,0.000378
1875,0.075,0.000186,3.1199999999999998e-06,0.000397
1876,0.0787,0.000195,3.28e-06,0.000416
1877,0.0825,0.000204,3.4299999999999998e-06,0.00043599999999999997
1878,0.0864,0.000214,3.6e-06,0.000457
1879,0.09029999999999999,0.000224,3.76e-06,0.00047799999999999996
1880,0.09440000000000001,0.00023400000000000002,3.9300000000000005e-06,0.000499
1881,0.0985,0.000244,4.1000000000000006e-06,0.000521
1882,0.103,0.000254,4.28e-06,0.0005430000000000001
1883,0.107,0.000265,4.4600000000000005e-06,0.000566
1884,0.112,0.00027600000000000004,4.6499999999999995e-06,0.0005899999999999999
1885,0.116,0.00028799999999999995,4.839999999999999e-06,0.000615
1886,0.121,0.0003,5.05e-06,0.000641
1887,0.126,0.000312,5.2500000000000006e-06,0.0006670000000000001
1888,0.131,0.000325,5.47e-06,0.000695
1889,0.137,0.000339,5.7000000000000005e-06,0.000723
1890,0.149,0.000333,6.22e-06,0.00079
1891,0.155,0.000333,6.45e-06,0.000819
1892,0.161,0.000333,6.6899999999999995e-06,0.00085
1893,0.167,0.000333,6.96e-06,0.000883
1894,0.174,0.000333,7.24e-06,0.000919
1895,0.181,0.000333,7.53e-06,0.0009559999999999999
1896,0.188,0.000333,7.84e-06,0.000996
1897,0.196,0.000333,8.17e-06,0.0010400000000000001
1898,0.204,0.000333,8.5e-06,0.00108
1899,0.213,0.000333,8.85e-06,0.0011200000000000001
1900,0.221,0.000333,9.21e-06,0.00117
1901,0.231,0.000333,9.610000000000001e-06,0.00122
1902,0.242,0.000333,1.01e-05,0.00128
1903,0.254,0.000333,1.06e-05,0.00134
1904,0.266,0.00033400000000000004,1.11e-05,0.00141
1905,0.279,0.00033400000000000004,1.1599999999999999e-05,0.00148
1906,0.292,0.00033400000000000004,1.21e-05,0.0015400000000000001
1907,0.304,0.00033400000000000004,1.26e-05,0.00161
1908,0.315,0.000335,1.31e-05,0.00166
1909,0.324,0.000335,1.35e-05,0.00172
1910,0.332,0.000335,1.38e-05,0.00176
1911,0.339,0.00034300000000000004,1.41e-05,0.0017900000000000001
1912,0.345,0.000365,1.43e-05,0.00182
1913,0.35,0.000399,1.46e-05,0.00185
1914,0.354,0.000443,1.48e-05,0.0018700000000000001
1915,0.359,0.000496,1.49e-05,0.0019
1916,0.363,0.000555,1.5100000000000001e-05,0.0019199999999999998
1917,0.367,0.00062,1.53e-05,0.0019399999999999999
1918,0.372,0.000687,1.55e-05,0.00197
1919,0.377,0.000755,1.57e-05,0.00199
1920,0.382,0.000823,1.59e-05,0.00202
1921,0.388,0.000894,1.62e-05,0.0020499999999999997
1922,0.394,0.0009739999999999999,1.6400000000000002e-05,0.0020800000000000003
1923,0.399,0.00106,1.66e-05,0.00211
1924,0.405,0.00116,1.6899999999999997e-05,0.00214
1925,0.411,0.00126,1.7100000000000002e-05,0.00217
1926,0.418,0.0013700000000000001,1.74e-05,0.00221
1927,0.425,0.00149,1.77e-05,0.00225
1928,0.433,0.0016200000000000001,1.7999999999999997e-05,0.00229
1929,0.443,0.00175,1.84e-05,0.00234
1930,0.453,0.00189,1.89e-05,0.00239
1931,0.466,0.0020299999999999997,1.94e-05,0.00246
1932,0.484,0.00218,2.01e-05,0.00256
1933,0.504,0.00234,2.1000000000000002e-05,0.00267
1934,0.528,0.00252,2.2e-05,0.00279
1935,0.555,0.00271,2.31e-05,0.0029300000000000003
1936,0.583,0.00292,2.4299999999999998e-05,0.0030800000000000003
1937,0.612,0.00315,2.55e-05,0.0032400000000000003
1938,0.643,0.0034100000000000003,2.68e-05,0.0034
1939,0.673,0.0037099999999999998,2.8e-05,0.0035600000000000002
1940,0.703,0.004030000000000001,2.93e-05,0.00372
1941,0.733,0.0044599999999999996,3.05e-05,0.00387
1942,0.763,0.00505,3.18e-05,0.004030000000000001
1943,0.794,0.00577,3.31e-05,0.004200000000000001
1944,0.827,0.0066,3.44e-05,0.00437
1945,0.861,0.00752,3.5799999999999996e-05,0.00455
1946,0.896,0.00851,3.73e-05,0.00474
1947,0.934,0.009550000000000001,3.89e-05,0.004940000000000001
1948,0.975,0.0106,4.06e-05,0.00515
1949,0.893,0.011699999999999999,3.7199999999999996e-05,0.004719999999999999
1950,0.909,0.0127,3.7900000000000006e-05,0.00481
1951,1.38,0.0247,5.76e-05,0.00731
1952,1.58,0.0294,6.57e-05,0.00834
1953,1.5,0.0341,6.23e-05,0.00791
1954,1.66,0.053399999999999996,6.93e-05,0.0088
1955,1.92,0.0837,8e-05,0.010199999999999999
1956,2.13,0.11,8.87e-05,0.011300000000000001
1957,2.18,0.123,9.09e-05,0.0115
1958,1.98,0.131,8.25e-05,0.0105
1959,2.05,0.18,8.54e-05,0.0108
1960,2.26,0.2,9.389999999999999e-05,0.0119
1961,2.24,0.191,9.329999999999999e-05,0.011800000000000001
1962,2.45,0.2,0.000102,0.0129
1963,2.68,0.202,0.000112,0.014199999999999999
1964,2.62,0.24,0.00010899999999999999,0.013800000000000002
1965,2.23,0.275,9.279999999999999e-05,0.011800000000000001
1966,2.44,0.278,0.000102,0.0129
1967,2.46,0.277,0.000103,0.013
1968,2.55,0.312,0.000106,0.0135
1969,2.81,0.363,0.00011700000000000001,0.0148
1970,2.69,0.436,0.00014299999999999998,0.0185
1971,3.29,0.437,0.00014299999999999998,0.0157
1972,3.47,0.448,0.000155,0.0198
1973,3.52,0.436,0.00016900000000000002,0.0171
1974,4.52,0.491,0.000183,0.0152
1975,4.53,0.501,0.00019800000000000002,0.0144
1976,4.12,0.534,0.000215,0.0201
1977,4.48,0.62,0.00023400000000000002,0.0201
1978,4.77,0.605,0.000253,0.0313
1979,4.62,0.465,0.000275,0.0327
1980,5.57,0.661,0.000289,0.026
1981,5.88,0.68,0.00030199999999999997,0.026199999999999998
1982,4.04,0.657,0.000316,0.026
1983,4.03,0.641,0.00033,0.023899999999999998
1984,3.74,0.592,0.000345,0.033
1985,3.35,0.451,0.00035999999999999997,0.039700000000000006
1986,3.51,0.649,0.000376,0.0324
1987,4.52,0.663,0.00039200000000000004,0.031
1988,4.17,0.621,0.000408,0.0565
1989,4.59,0.594,0.000425,0.047299999999999995
1990,5.07,0.702,0.000447,0.0419
1991,4.13,0.679,0.00047,0.039700000000000006
1992,4.79,0.742,0.000493,0.023100000000000002
1993,5.64,0.69,0.000518,0.0268
1994,5.83,0.69,0.0005430000000000001,0.0209
1995,6.78,0.746,0.000617,0.0169
1996,8.42,0.851,0.000632,0.032600000000000004
1997,7.52,0.804,0.000646,0.032100000000000004
1998,9.33,0.781,0.000661,0.037
1999,9.45,0.77,0.000675,0.0361
2000,9.85,0.613,0.00069,0.0492
2001,8.71,0.674,0.0007019999999999999,0.0453
2002,7.23,0.728,0.000714,0.038700000000000005
2003,5.93,0.82,0.000727,0.045
2004,6.73,0.882,0.000739,0.053399999999999996
2005,7.51,1.05,0.000752,0.0407
2006,8.49,1.06,0.000775,0.0466
2007,8.56,1.21,0.000799,0.0318
2008,8.83,1.35,0.000823,0.0385
2009,10.7,1.58,0.000847,0.0219
2010,10.3,1.75,0.000871,0.0391
2011,11.2,2.0,0.00091,0.0181
2012,10.2,2.05,0.0009509999999999999,0.0346
2013,10.8,2.25,0.000993,0.0495
2014,11.6,2.44,0.0010400000000000001,0.0339
2015,12.0,2.61,0.00108,0.0195
2016,12.0,2.73,0.00113,0.0289
2017,12.9,2.72,0.00117,0.027800000000000002
2018,13.6,2.72,0.00122,0.027100000000000003