year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000223,5.1700000000000005e-06,0.00894,0.316
1851,0.000224,5.6e-06,0.00906,0.316
1852,0.000228,6.1e-06,0.00917,0.316
1853,0.00023400000000000002,6.66e-06,0.00929,0.316
1854,0.000242,7.270000000000001e-06,0.0094,0.316
1855,0.000252,7.95e-06,0.00951,0.316
1856,0.000264,8.67e-06,0.009609999999999999,0.316
1857,0.00027800000000000004,9.46e-06,0.009720000000000001,0.316
1858,0.00029499999999999996,1.03e-05,0.00982,0.317
1859,0.000313,1.12e-05,0.00992,0.317
1860,0.000333,1.21e-05,0.01,0.317
1861,0.00035499999999999996,1.31e-05,0.0101,0.318
1862,0.000379,1.41e-05,0.010199999999999999,0.318
1863,0.000404,1.52e-05,0.0103,0.318
1864,0.000432,1.63e-05,0.0104,0.319
1865,0.00046100000000000004,1.7500000000000002e-05,0.0104,0.319
1866,0.000491,1.87e-05,0.0105,0.32
1867,0.000523,2e-05,0.0106,0.32
1868,0.0005560000000000001,2.12e-05,0.0107,0.321
1869,0.0005909999999999999,2.2599999999999997e-05,0.0108,0.321
1870,0.000628,2.39e-05,0.0109,0.322
1871,0.000665,2.53e-05,0.011,0.322
1872,0.000704,2.6700000000000002e-05,0.0111,0.323
1873,0.000744,2.82e-05,0.011300000000000001,0.324
1874,0.000785,2.97e-05,0.0114,0.324
1875,0.000828,3.12e-05,0.0116,0.325
1876,0.000871,3.27e-05,0.011699999999999999,0.326
1877,0.000916,3.43e-05,0.0119,0.327
1878,0.0009609999999999999,3.59e-05,0.012,0.327
1879,0.00101,3.75e-05,0.012199999999999999,0.328
1880,0.0010500000000000002,3.91e-05,0.0123,0.329
1881,0.0011,4.08e-05,0.0125,0.33
1882,0.00115,4.25e-05,0.0127,0.331
1883,0.0012,4.41e-05,0.0128,0.332
1884,0.00125,4.58e-05,0.013,0.332
1885,0.0013,4.7600000000000005e-05,0.013099999999999999,0.333
1886,0.00135,4.93e-05,0.013300000000000001,0.334
1887,0.0014,5.1e-05,0.0135,0.335
1888,0.00146,5.28e-05,0.0136,0.336
1889,0.00151,5.4499999999999997e-05,0.013800000000000002,0.337
1890,0.0016799999999999999,8.47e-05,0.0141,0.33
1891,0.00188,9.080000000000001e-05,0.0143,0.337
1892,0.0020800000000000003,9.82e-05,0.0145,0.344
1893,0.00227,0.000107,0.0147,0.351
1894,0.00246,0.00011700000000000001,0.015,0.358
1895,0.00265,0.000127,0.0152,0.364
1896,0.0028399999999999996,0.00013900000000000002,0.0155,0.369
1897,0.0030299999999999997,0.000152,0.0157,0.373
1898,0.00321,0.000165,0.0159,0.376
1899,0.0034,0.000178,0.0162,0.378
1900,0.00357,0.000193,0.016399999999999998,0.379
1901,0.00376,0.00020899999999999998,0.0167,0.379
1902,0.0039700000000000004,0.00023,0.017,0.379
1903,0.00419,0.000253,0.0172,0.38
1904,0.0044,0.00027800000000000004,0.0175,0.379
1905,0.00462,0.000304,0.0178,0.379
1906,0.0048200000000000005,0.00032900000000000003,0.018,0.379
1907,0.0049900000000000005,0.00035299999999999996,0.0183,0.379
1908,0.00514,0.000376,0.018600000000000002,0.379
1909,0.00524,0.00039400000000000004,0.0189,0.38
1910,0.0053,0.00040899999999999997,0.0192,0.38
1911,0.00525,0.000421,0.019399999999999997,0.384
1912,0.00507,0.00043,0.0197,0.397
1913,0.00479,0.000439,0.02,0.416
1914,0.00445,0.000447,0.0202,0.439
1915,0.004070000000000001,0.00045400000000000003,0.0205,0.465
1916,0.00369,0.00046100000000000004,0.0208,0.491
1917,0.00335,0.00046800000000000005,0.0211,0.517
1918,0.00307,0.00047599999999999997,0.0214,0.54
1919,0.0029,0.00048499999999999997,0.0218,0.558
1920,0.0028599999999999997,0.000495,0.0222,0.57
1921,0.0030299999999999997,0.000506,0.022600000000000002,0.578
1922,0.0034300000000000003,0.000518,0.023,0.586
1923,0.00404,0.00053,0.0235,0.593
1924,0.00484,0.0005430000000000001,0.024,0.6
1925,0.00578,0.0005560000000000001,0.0246,0.607
1926,0.006860000000000001,0.000571,0.0252,0.612
1927,0.008039999999999999,0.000587,0.026,0.616
1928,0.00929,0.0006039999999999999,0.0268,0.62
1929,0.0106,0.000623,0.0277,0.622
1930,0.0119,0.000642,0.0287,0.623
1931,0.0135,0.000666,0.030100000000000002,0.621
1932,0.0156,0.000694,0.032299999999999995,0.615
1933,0.018,0.000727,0.035,0.607
1934,0.0207,0.000763,0.0381,0.597
1935,0.023600000000000003,0.0008010000000000001,0.0415,0.586
1936,0.0265,0.0008399999999999999,0.045,0.574
1937,0.0294,0.000879,0.0484,0.564
1938,0.032100000000000004,0.0009170000000000001,0.0516,0.556
1939,0.0346,0.000953,0.0544,0.55
1940,0.0368,0.000986,0.056799999999999996,0.548
1941,0.0386,0.00102,0.0587,0.549
1942,0.040299999999999996,0.0010400000000000001,0.060399999999999995,0.553
1943,0.0418,0.00107,0.062,0.559
1944,0.0432,0.00109,0.0634,0.567
1945,0.0446,0.00111,0.0648,0.576
1946,0.0461,0.00114,0.06609999999999999,0.586
1947,0.0476,0.00117,0.0676,0.598
1948,0.0493,0.0012,0.0692,0.61
1949,0.0512,0.00123,0.071,0.622
1950,0.053399999999999996,0.00128,0.073,0.634
1951,0.0562,0.00133,0.07529999999999999,0.647
1952,0.0599,0.00141,0.07809999999999999,0.664
1953,0.0643,0.0015,0.08109999999999999,0.683
1954,0.0692,0.00161,0.0843,0.704
1955,0.0745,0.00173,0.0878,0.726
1956,0.08009999999999999,0.00185,0.09129999999999999,0.749
1957,0.0859,0.00198,0.09490000000000001,0.772
1958,0.0916,0.00211,0.0985,0.794
1959,0.09720000000000001,0.0022299999999999998,0.102,0.815
1960,0.102,0.00235,0.106,0.835
1961,0.107,0.0024700000000000004,0.109,0.807
1962,0.111,0.00259,0.112,0.859
1963,0.115,0.0027,0.116,0.9
1964,0.119,0.00283,0.119,0.876
1965,0.123,0.0029500000000000004,0.123,0.885
1966,0.127,0.00307,0.126,0.934
1967,0.132,0.0032,0.13,0.966
1968,0.138,0.00333,0.133,0.969
1969,0.146,0.00346,0.137,0.96
1970,0.151,0.00285,0.135,0.947
1971,0.152,0.00263,0.141,0.985
1972,0.159,0.0028799999999999997,0.144,1.01
1973,0.169,0.0034500000000000004,0.147,1.02
1974,0.18,0.0033399999999999997,0.149,1.04
1975,0.192,0.0024700000000000004,0.151,1.07
1976,0.203,0.00268,0.153,1.07
1977,0.213,0.0027400000000000002,0.155,1.07
1978,2.54,0.00246,0.157,1.08
1979,2.45,0.00273,0.159,1.1
1980,2.27,0.0023,0.161,1.11
1981,2.09,0.00209,0.163,1.11
1982,2.02,0.00126,0.165,1.11
1983,2.73,0.000987,0.167,1.12
1984,2.87,0.00149,0.17,1.14
1985,2.68,0.00146,0.173,1.15
1986,2.56,0.0012900000000000001,0.176,1.14
1987,2.47,0.00132,0.178,1.15
1988,3.36,0.00139,0.18,1.12
1989,2.84,0.00134,0.182,1.13
1990,2.82,0.00133,0.178,1.12
1991,2.74,0.0011799999999999998,0.179,1.09
1992,2.58,0.000989,0.171,1.07
1993,2.25,0.0007650000000000001,0.164,1.05
1994,1.99,0.00048499999999999997,0.161,0.826
1995,1.72,0.000496,0.161,0.712
1996,1.74,0.00035,0.161,0.55
1997,1.85,0.000423,0.162,0.452
1998,1.95,0.000408,0.16,0.426
1999,1.86,0.000497,0.161,0.45
2000,2.22,0.000515,0.162,0.459
2001,0.837,0.000535,0.163,0.469
2002,0.814,0.000522,0.163,0.498
2003,0.945,0.00055,0.165,0.534
2004,0.977,0.000545,0.168,0.567
2005,0.932,0.000517,0.17,0.595
2006,1.01,0.000501,0.175,0.624
2007,1.05,0.0005290000000000001,0.179,0.645
2008,1.14,0.000425,0.187,0.664
2009,1.07,0.00045900000000000004,0.194,0.675
2010,1.21,0.00040899999999999997,0.205,0.69
2011,1.28,0.000451,0.213,0.651
2012,1.27,0.000399,0.222,0.657
2013,1.3,0.000364,0.228,0.678
2014,1.23,0.000431,0.237,0.707
2015,1.14,0.000439,0.241,0.731
2016,1.15,0.00047,0.245,0.76
2017,1.16,0.000453,0.248,0.797
2018,1.22,0.000422,0.252,0.839