year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0065,2.04e-08,0.00347,0.146
1851,0.00653,3.86e-08,0.00346,0.165
1852,0.00657,5.69e-08,0.0034500000000000004,0.183
1853,0.00661,7.550000000000001e-08,0.00344,0.201
1854,0.00664,9.42e-08,0.0034300000000000003,0.219
1855,0.006679999999999999,1.1299999999999999e-07,0.00342,0.236
1856,0.006719999999999999,1.3200000000000002e-07,0.0034100000000000003,0.253
1857,0.0067599999999999995,1.52e-07,0.0034,0.27
1858,0.0068,1.71e-07,0.0034,0.286
1859,0.00684,1.91e-07,0.0033900000000000002,0.302
1860,0.00688,2.11e-07,0.0033900000000000002,0.318
1861,0.00692,2.3100000000000002e-07,0.0033900000000000002,0.333
1862,0.00696,2.5099999999999996e-07,0.0033900000000000002,0.348
1863,0.007,2.71e-07,0.0033900000000000002,0.363
1864,0.00704,2.92e-07,0.0033799999999999998,0.377
1865,0.00709,3.12e-07,0.0033799999999999998,0.391
1866,0.00713,3.3300000000000003e-07,0.0033799999999999998,0.405
1867,0.00717,3.5399999999999997e-07,0.0033799999999999998,0.418
1868,0.00722,3.75e-07,0.0033799999999999998,0.431
1869,0.00726,3.97e-07,0.0033799999999999998,0.443
1870,0.0073,4.18e-07,0.0033799999999999998,0.455
1871,0.00735,4.39e-07,0.0033799999999999998,0.467
1872,0.00739,4.6099999999999996e-07,0.0033900000000000002,0.479
1873,0.00744,4.83e-07,0.0034,0.49
1874,0.0074800000000000005,5.05e-07,0.0034100000000000003,0.501
1875,0.00753,5.27e-07,0.00342,0.511
1876,0.00757,5.490000000000001e-07,0.00344,0.521
1877,0.00762,5.71e-07,0.0034500000000000004,0.531
1878,0.00767,5.94e-07,0.00347,0.54
1879,0.00771,6.16e-07,0.00349,0.549
1880,0.0077599999999999995,6.39e-07,0.0035,0.557
1881,0.007809999999999999,6.61e-07,0.00352,0.565
1882,0.00786,6.84e-07,0.00354,0.573
1883,0.0079,7.07e-07,0.0035600000000000002,0.581
1884,0.00795,7.3e-07,0.0035800000000000003,0.588
1885,0.008,7.53e-07,0.0036,0.594
1886,0.00805,7.76e-07,0.00362,0.6
1887,0.0081,7.99e-07,0.00365,0.606
1888,0.008150000000000001,8.22e-07,0.00367,0.612
1889,0.008199999999999999,8.459999999999999e-07,0.00369,0.617
1890,0.00922,1.32e-06,0.00377,0.642
1891,0.009519999999999999,1.42e-06,0.00383,0.645
1892,0.00985,1.53e-06,0.0038900000000000002,0.65
1893,0.010199999999999999,1.67e-06,0.00395,0.656
1894,0.0106,1.82e-06,0.00401,0.662
1895,0.011,1.99e-06,0.004070000000000001,0.669
1896,0.0114,2.17e-06,0.00414,0.677
1897,0.011800000000000001,2.37e-06,0.00421,0.686
1898,0.0123,2.57e-06,0.0042699999999999995,0.695
1899,0.0127,2.79e-06,0.00434,0.704
1900,0.0132,3.01e-06,0.00441,0.714
1901,0.013800000000000002,3.27e-06,0.00449,0.724
1902,0.0146,3.59e-06,0.00456,0.736
1903,0.0156,3.96e-06,0.00464,0.748
1904,0.0167,4.35e-06,0.00471,0.762
1905,0.0178,4.76e-06,0.00479,0.777
1906,0.019,5.16e-06,0.00487,0.793
1907,0.0202,5.5399999999999995e-06,0.00495,0.81
1908,0.0213,5.89e-06,0.005030000000000001,0.828
1909,0.0224,6.19e-06,0.00512,0.847
1910,0.0233,6.42e-06,0.0052,0.867
1911,0.0241,6.6e-06,0.00529,0.889
1912,0.0249,6.7600000000000005e-06,0.00536,0.913
1913,0.0256,6.89e-06,0.00544,0.94
1914,0.0264,7.0200000000000006e-06,0.00552,0.969
1915,0.0272,7.13e-06,0.0056,1.0
1916,0.028,7.24e-06,0.005679999999999999,1.03
1917,0.0289,7.36e-06,0.00578,1.07
1918,0.0299,7.49e-06,0.005889999999999999,1.11
1919,0.031,7.62e-06,0.00601,1.15
1920,0.032299999999999995,7.78e-06,0.0061600000000000005,1.19
1921,0.0338,7.96e-06,0.00635,1.24
1922,0.0356,8.14e-06,0.00661,1.33
1923,0.0376,8.33e-06,0.0069299999999999995,1.42
1924,0.04,8.53e-06,0.00731,1.53
1925,0.0427,8.74e-06,0.007730000000000001,1.64
1926,0.0456,8.97e-06,0.00819,1.75
1927,0.049,9.220000000000002e-06,0.00867,1.84
1928,0.0526,9.48e-06,0.009179999999999999,1.92
1929,0.0567,9.77e-06,0.009689999999999999,1.98
1930,0.0611,1.01e-05,0.010199999999999999,2.0
1931,0.0682,1.0399999999999999e-05,0.0107,1.99
1932,0.0795,1.09e-05,0.011300000000000001,1.96
1933,0.0938,1.1400000000000001e-05,0.0119,1.91
1934,0.11,1.1900000000000001e-05,0.0126,1.85
1935,0.127,1.25e-05,0.013300000000000001,1.79
1936,0.143,1.31e-05,0.014,1.72
1937,0.158,1.3700000000000001e-05,0.0148,1.66
1938,0.17,1.43e-05,0.0156,1.61
1939,0.178,1.49e-05,0.016399999999999998,1.57
1940,0.181,1.54e-05,0.0173,1.56
1941,0.178,1.59e-05,0.0183,1.56
1942,0.169,1.63e-05,0.019399999999999997,1.57
1943,0.157,1.67e-05,0.0207,1.57
1944,0.141,1.7e-05,0.022,1.58
1945,0.125,1.74e-05,0.0233,1.59
1946,0.108,1.78e-05,0.0247,1.6
1947,0.0928,1.83e-05,0.026199999999999998,1.61
1948,0.0803,1.88e-05,0.027600000000000003,1.63
1949,0.0717,1.93e-05,0.0291,1.64
1950,0.0686,2e-05,0.0305,1.66
1951,0.0711,2.09e-05,0.0319,1.69
1952,0.078,2.2100000000000002e-05,0.033299999999999996,1.73
1953,0.0888,2.36e-05,0.0347,1.79
1954,0.103,2.53e-05,0.0361,1.86
1955,0.119,2.7099999999999998e-05,0.0375,1.93
1956,0.137,2.9e-05,0.0389,2.0
1957,0.156,3.1e-05,0.0404,2.07
1958,0.176,3.3e-05,0.042,2.14
1959,0.195,3.5000000000000004e-05,0.0437,2.2
1960,0.213,3.69e-05,0.045399999999999996,2.24
1961,0.23,3.88e-05,0.047299999999999995,2.21
1962,0.248,4.1099999999999996e-05,0.0494,2.34
1963,0.267,4.36e-05,0.0516,2.18
1964,0.287,4.62e-05,0.054,2.25
1965,0.308,4.87e-05,0.0564,2.36
1966,0.33,5.1e-05,0.0588,2.46
1967,0.354,5.3e-05,0.061200000000000004,2.39
1968,0.379,5.4600000000000006e-05,0.0635,2.59
1969,0.406,5.57e-05,0.06570000000000001,2.53
1970,0.55,4.7600000000000005e-05,0.0679,2.56
1971,0.579,4.61e-05,0.0715,2.61
1972,0.79,4.51e-05,0.07390000000000001,2.5
1973,0.864,4.38e-05,0.0765,2.62
1974,0.986,4.24e-05,0.079,2.65
1975,0.912,3.96e-05,0.0805,2.64
1976,1.12,3.86e-05,0.0834,2.6
1977,1.99,3.71e-05,0.0863,2.62
1978,2.36,3.59e-05,0.0896,2.77
1979,2.4,3.47e-05,0.09240000000000001,2.74
1980,1.61,8.449999999999999e-06,0.095,2.8
1981,1.56,8.36e-06,0.09809999999999999,2.91
1982,1.35,7.99e-06,0.101,2.88
1983,1.19,9.2e-06,0.105,2.95
1984,1.16,1.0399999999999999e-05,0.109,3.12
1985,1.12,1.06e-05,0.113,3.17
1986,1.16,1.98e-05,0.117,3.24
1987,1.18,2.12e-05,0.121,3.23
1988,1.33,2.23e-05,0.125,3.27
1989,1.3,2.29e-05,0.131,3.39
1990,1.49,2.44e-05,0.137,3.4
1991,1.73,3.9399999999999995e-05,0.14,3.84
1992,1.82,4.51e-05,0.143,3.87
1993,1.92,5.6e-05,0.145,3.87
1994,1.64,6.46e-05,0.148,2.93
1995,1.49,0.000509,0.573,2.84
1996,1.55,0.00138,0.997,2.75
1997,1.57,0.0019,1.42,2.66
1998,1.41,0.00115,1.85,2.54
1999,1.33,0.0033599999999999997,2.27,2.41
2000,1.21,0.0033799999999999998,2.69,2.42
2001,1.2,0.0034300000000000003,2.8,2.41
2002,1.18,0.00315,2.91,2.43
2003,1.17,0.0033399999999999997,3.07,2.39
2004,1.14,0.00329,3.2,2.41
2005,1.12,0.00348,3.33,2.44
2006,1.11,0.0031,3.45,2.44
2007,1.1,0.00319,3.53,2.51
2008,1.11,0.00348,3.64,2.27
2009,1.12,0.003,3.83,2.34
2010,1.17,0.0039900000000000005,3.94,2.43
2011,1.23,0.00366,4.2,2.35
2012,1.25,0.0039,4.38,2.44
2013,1.2,0.00414,4.45,2.41
2014,1.22,0.0033900000000000002,4.52,2.46
2015,1.22,0.00257,4.57,2.69
2016,1.24,0.00395,4.79,2.82
2017,1.23,0.00367,4.93,2.93
2018,1.24,0.0037,5.06,2.96