year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000464,3.6000000000000005e-07,0.00054,0.038799999999999994
1851,0.00046600000000000005,3.8999999999999997e-07,0.0005470000000000001,0.038799999999999994
1852,0.00047299999999999995,4.2499999999999995e-07,0.000554,0.038799999999999994
1853,0.00048499999999999997,4.64e-07,0.0005610000000000001,0.038799999999999994
1854,0.000502,5.07e-07,0.0005679999999999999,0.038799999999999994
1855,0.000523,5.54e-07,0.000574,0.038799999999999994
1856,0.0005480000000000001,6.040000000000001e-07,0.0005809999999999999,0.038799999999999994
1857,0.000578,6.59e-07,0.000587,0.0389
1858,0.000612,7.17e-07,0.000593,0.0389
1859,0.00065,7.79e-07,0.0005989999999999999,0.0389
1860,0.0006919999999999999,8.44e-07,0.000605,0.039
1861,0.000737,9.13e-07,0.000611,0.039
1862,0.000787,9.849999999999999e-07,0.000616,0.039
1863,0.0008399999999999999,1.06e-06,0.000621,0.0391
1864,0.000896,1.1399999999999999e-06,0.000626,0.0391
1865,0.0009559999999999999,1.22e-06,0.000631,0.039200000000000006
1866,0.00102,1.2999999999999998e-06,0.0006360000000000001,0.039299999999999995
1867,0.00109,1.39e-06,0.000641,0.039299999999999995
1868,0.00116,1.48e-06,0.000646,0.0394
1869,0.00123,1.57e-06,0.000652,0.0394
1870,0.0013,1.67e-06,0.0006580000000000001,0.0395
1871,0.00138,1.76e-06,0.000665,0.0396
1872,0.00146,1.8600000000000002e-06,0.0006730000000000001,0.039700000000000006
1873,0.00155,1.96e-06,0.0006810000000000001,0.039799999999999995
1874,0.00163,2.0699999999999997e-06,0.00069,0.039799999999999995
1875,0.00172,2.17e-06,0.000699,0.0399
1876,0.00181,2.2799999999999998e-06,0.000708,0.04
1877,0.0019,2.39e-06,0.000718,0.040100000000000004
1878,0.002,2.5e-06,0.000727,0.0402
1879,0.00209,2.61e-06,0.000737,0.040299999999999996
1880,0.00219,2.7299999999999997e-06,0.000746,0.0404
1881,0.00229,2.84e-06,0.000755,0.0405
1882,0.00239,2.96e-06,0.0007650000000000001,0.040600000000000004
1883,0.00249,3.0799999999999997e-06,0.0007740000000000001,0.0407
1884,0.0026,3.19e-06,0.0007840000000000001,0.040799999999999996
1885,0.0027,3.31e-06,0.000794,0.0409
1886,0.00281,3.4299999999999998e-06,0.000803,0.041
1887,0.0029100000000000003,3.56e-06,0.0008129999999999999,0.0412
1888,0.00302,3.68e-06,0.000823,0.041299999999999996
1889,0.00313,3.8e-06,0.000832,0.0414
1890,0.0035600000000000002,5.9e-06,0.00085,0.0405
1891,0.00422,6.3299999999999995e-06,0.0008629999999999999,0.0414
1892,0.00487,6.84e-06,0.000877,0.0423
1893,0.00551,7.45e-06,0.000891,0.0431
1894,0.00614,8.13e-06,0.000905,0.0439
1895,0.00675,8.880000000000001e-06,0.000919,0.0446
1896,0.00735,9.69e-06,0.000933,0.045200000000000004
1897,0.00793,1.06e-05,0.000948,0.045700000000000005
1898,0.008490000000000001,1.15e-05,0.000963,0.0461
1899,0.00905,1.24e-05,0.000978,0.0464
1900,0.00958,1.34e-05,0.000993,0.0465
1901,0.0101,1.46e-05,0.00101,0.0465
1902,0.0107,1.6e-05,0.00102,0.0465
1903,0.0114,1.76e-05,0.0010400000000000001,0.0465
1904,0.012,1.94e-05,0.00106,0.0465
1905,0.0126,2.12e-05,0.00107,0.0465
1906,0.013099999999999999,2.29e-05,0.00109,0.0464
1907,0.0136,2.46e-05,0.00111,0.0464
1908,0.013900000000000001,2.62e-05,0.0011200000000000001,0.0464
1909,0.014199999999999999,2.75e-05,0.00114,0.0464
1910,0.0143,2.85e-05,0.00116,0.0464
1911,0.014,2.93e-05,0.00117,0.047
1912,0.0132,2.9999999999999997e-05,0.0011899999999999999,0.048600000000000004
1913,0.012,3.06e-05,0.00121,0.0509
1914,0.0106,3.11e-05,0.00122,0.053700000000000005
1915,0.009130000000000001,3.16e-05,0.00124,0.056799999999999996
1916,0.0076100000000000004,3.2099999999999994e-05,0.00126,0.0601
1917,0.00622,3.26e-05,0.00127,0.0632
1918,0.00507,3.32e-05,0.0012900000000000001,0.066
1919,0.00429,3.3799999999999995e-05,0.00131,0.0683
1920,0.00401,3.4500000000000005e-05,0.00134,0.0697
1921,0.00432,3.53e-05,0.00136,0.0707
1922,0.00523,3.61e-05,0.00139,0.0717
1923,0.00666,3.69e-05,0.0014199999999999998,0.0726
1924,0.00853,3.78e-05,0.00145,0.0734
1925,0.0108,3.88e-05,0.00149,0.0742
1926,0.013300000000000001,3.9800000000000005e-05,0.0015300000000000001,0.07479999999999999
1927,0.0161,4.09e-05,0.00157,0.07540000000000001
1928,0.019100000000000002,4.21e-05,0.0016200000000000001,0.07579999999999999
1929,0.0221,4.34e-05,0.0016699999999999998,0.076
1930,0.0252,4.48e-05,0.00173,0.0761
1931,0.0289,4.6399999999999996e-05,0.00182,0.07590000000000001
1932,0.0337,4.84e-05,0.00195,0.0752
1933,0.039299999999999995,5.07e-05,0.00211,0.0741
1934,0.0455,5.32e-05,0.0023,0.0729
1935,0.052,5.58e-05,0.0025099999999999996,0.0715
1936,0.0585,5.8500000000000006e-05,0.00272,0.0701
1937,0.0649,6.12e-05,0.00292,0.0688
1938,0.0708,6.39e-05,0.00312,0.0678
1939,0.07590000000000001,6.64e-05,0.00329,0.06709999999999999
1940,0.08009999999999999,6.87e-05,0.0034300000000000003,0.0668
1941,0.0834,7.08e-05,0.0035499999999999998,0.067
1942,0.0861,7.26e-05,0.00365,0.0674
1943,0.0884,7.43e-05,0.0037400000000000003,0.0682
1944,0.09040000000000001,7.59e-05,0.00383,0.0691
1945,0.09240000000000001,7.76e-05,0.00391,0.0702
1946,0.0945,7.929999999999999e-05,0.004,0.0715
1947,0.0968,8.13e-05,0.00408,0.0729
1948,0.0996,8.350000000000001e-05,0.00418,0.07429999999999999
1949,0.103,8.599999999999999e-05,0.00429,0.07579999999999999
1950,0.107,8.89e-05,0.00441,0.0773
1951,0.113,9.29e-05,0.00455,0.079
1952,0.122,9.83e-05,0.004719999999999999,0.081
1953,0.133,0.00010499999999999999,0.004900000000000001,0.0834
1954,0.146,0.000112,0.00509,0.0859
1955,0.161,0.00011999999999999999,0.0053,0.0887
1956,0.176,0.000129,0.00552,0.09140000000000001
1957,0.192,0.00013800000000000002,0.00574,0.0943
1958,0.207,0.000147,0.00595,0.097
1959,0.223,0.000156,0.00617,0.0996
1960,0.237,0.000164,0.00637,0.102
1961,0.249,0.00017199999999999998,0.00658,0.0988
1962,0.258,0.00017999999999999998,0.0067800000000000004,0.105
1963,0.266,0.000188,0.0069900000000000006,0.11
1964,0.275,0.00019700000000000002,0.00721,0.107
1965,0.283,0.000205,0.0074199999999999995,0.108
1966,0.294,0.000214,0.00763,0.115
1967,0.308,0.000223,0.00784,0.119
1968,0.325,0.000232,0.008039999999999999,0.119
1969,0.347,0.000241,0.00825,0.118
1970,0.378,0.00022700000000000002,0.008400000000000001,0.116
1971,0.378,0.000221,0.0088,0.121
1972,0.395,0.000223,0.00903,0.124
1973,0.421,0.000245,0.00931,0.126
1974,0.463,0.000236,0.009550000000000001,0.129
1975,0.513,0.000225,0.00975,0.131
1976,0.568,0.000214,0.009980000000000001,0.132
1977,0.612,0.000205,0.0103,0.131
1978,0.658,0.000205,0.0105,0.134
1979,0.717,0.000199,0.0108,0.135
1980,0.766,0.000199,0.011,0.137
1981,0.811,0.000199,0.011300000000000001,0.136
1982,0.87,0.000184,0.0115,0.137
1983,0.927,0.000184,0.011699999999999999,0.139
1984,1.0,0.000188,0.012,0.141
1985,1.09,0.000177,0.0123,0.142
1986,1.16,0.00014399999999999998,0.0126,0.141
1987,1.22,9.95e-05,0.0129,0.142
1988,1.3,0.000101,0.0132,0.139
1989,1.33,9.97e-05,0.0135,0.14
1990,1.35,9.79e-05,0.013800000000000002,0.138
1991,1.35,9.180000000000001e-05,0.014199999999999999,0.135
1992,0.886,6.87e-05,0.0144,0.0873
1993,1.06,6.69e-05,0.0149,0.104
1994,0.769,6.93e-05,0.015300000000000001,0.111
1995,0.739,6.93e-05,0.0134,0.112
1996,0.814,5.16e-05,0.0116,0.109
1997,0.448,5.23e-05,0.009699999999999999,0.0873
1998,0.484,3.59e-05,0.0078,0.0928
1999,0.715,1.66e-05,0.005900000000000001,0.101
2000,1.04,1.7e-05,0.004,0.108
2001,1.12,1.3599999999999999e-05,0.00908,0.145
2002,1.24,1.88e-05,0.014199999999999999,0.187
2003,1.36,2.0799999999999997e-05,0.0192,0.232
2004,1.3,2.31e-05,0.024300000000000002,0.263
2005,1.39,2.04e-05,0.0228,0.279
2006,1.4,1.77e-05,0.0222,0.299
2007,1.35,1.4999999999999999e-05,0.0213,0.294
2008,1.4,1.23e-05,0.020300000000000002,0.332
2009,0.882,9.6e-06,0.0192,0.323
2010,0.956,6.9e-06,0.0182,0.331
2011,1.23,6.9e-06,0.0185,0.329
2012,1.34,6.9e-06,0.0188,0.336
2013,1.44,6.9e-06,0.0192,0.335
2014,1.42,6.9e-06,0.0195,0.336
2015,1.45,6.9e-06,0.019899999999999998,0.336
2016,1.35,3.71e-06,0.0209,0.338
2017,1.36,2.57e-06,0.0211,0.337
2018,1.36,1.42e-06,0.0213,0.336