year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0886,0.000437,0.000322,2.27e-06
1851,0.0932,0.00046,0.000339,2.39e-06
1852,0.0983,0.00048499999999999997,0.000357,2.51e-06
1853,0.104,0.000512,0.000377,2.65e-06
1854,0.109,0.00054,0.000398,2.8e-06
1855,0.115,0.00057,0.000419,2.95e-06
1856,0.122,0.000601,0.000442,3.11e-06
1857,0.128,0.000633,0.00046600000000000005,3.28e-06
1858,0.135,0.0006670000000000001,0.000491,3.45e-06
1859,0.142,0.0007009999999999999,0.000516,3.63e-06
1860,0.149,0.000737,0.0005430000000000001,3.82e-06
1861,0.157,0.0007740000000000001,0.00057,4.01e-06
1862,0.165,0.0008129999999999999,0.0005989999999999999,4.21e-06
1863,0.173,0.000853,0.000628,4.42e-06
1864,0.181,0.000896,0.00066,4.64e-06
1865,0.19,0.00094,0.0006929999999999999,4.87e-06
1866,0.2,0.000987,0.000727,5.11e-06
1867,0.21,0.0010400000000000001,0.000762,5.369999999999999e-06
1868,0.22,0.00109,0.000799,5.6299999999999995e-06
1869,0.231,0.00114,0.000838,5.9e-06
1870,0.242,0.0011899999999999999,0.000878,6.18e-06
1871,0.253,0.00125,0.000921,6.48e-06
1872,0.266,0.00131,0.000967,6.799999999999999e-06
1873,0.279,0.00138,0.00101,7.139999999999999e-06
1874,0.293,0.00145,0.00107,7.499999999999999e-06
1875,0.308,0.00152,0.0011200000000000001,7.870000000000001e-06
1876,0.323,0.00159,0.00117,8.26e-06
1877,0.338,0.0016699999999999998,0.00123,8.65e-06
1878,0.354,0.00175,0.0012900000000000001,9.06e-06
1879,0.37,0.00183,0.00135,9.48e-06
1880,0.387,0.00191,0.00141,9.9e-06
1881,0.404,0.00199,0.00147,1.03e-05
1882,0.421,0.0020800000000000003,0.0015300000000000001,1.08e-05
1883,0.439,0.00217,0.0016,1.12e-05
1884,0.458,0.00226,0.00166,1.17e-05
1885,0.477,0.0023599999999999997,0.00173,1.22e-05
1886,0.497,0.0024500000000000004,0.00181,1.2699999999999999e-05
1887,0.517,0.0025499999999999997,0.00188,1.32e-05
1888,0.539,0.00266,0.00196,1.38e-05
1889,0.561,0.00277,0.00204,1.44e-05
1890,0.626,0.00273,0.00228,1.6e-05
1891,0.647,0.00273,0.00235,1.66e-05
1892,0.672,0.00273,0.00244,1.72e-05
1893,0.699,0.00273,0.00254,1.7899999999999998e-05
1894,0.728,0.00273,0.00265,1.8599999999999998e-05
1895,0.759,0.00273,0.00276,1.94e-05
1896,0.793,0.00273,0.0028799999999999997,2.03e-05
1897,0.828,0.00273,0.0030099999999999997,2.12e-05
1898,0.865,0.00273,0.00315,2.2100000000000002e-05
1899,0.903,0.00273,0.00328,2.31e-05
1900,0.943,0.00273,0.0034300000000000003,2.41e-05
1901,0.988,0.00273,0.00359,2.53e-05
1902,1.04,0.00273,0.00378,2.66e-05
1903,1.1,0.00273,0.0039900000000000005,2.81e-05
1904,1.16,0.00273,0.00421,2.96e-05
1905,1.22,0.00273,0.00444,3.12e-05
1906,1.28,0.0027400000000000002,0.00466,3.2800000000000004e-05
1907,1.34,0.0027400000000000002,0.00488,3.44e-05
1908,1.4,0.0027400000000000002,0.00509,3.5799999999999996e-05
1909,1.45,0.00275,0.0052699999999999995,3.71e-05
1910,1.49,0.00275,0.00543,3.82e-05
1911,1.53,0.00276,0.00556,3.92e-05
1912,1.56,0.00277,0.005679999999999999,3.99e-05
1913,1.59,0.00279,0.00577,4.06e-05
1914,1.61,0.00281,0.00587,4.13e-05
1915,1.64,0.00283,0.00595,4.19e-05
1916,1.66,0.00285,0.00604,4.25e-05
1917,1.69,0.0028799999999999997,0.00614,4.32e-05
1918,1.72,0.0029,0.00625,4.4e-05
1919,1.76,0.00292,0.00638,4.49e-05
1920,1.8,0.00294,0.00654,4.6e-05
1921,1.85,0.00296,0.00674,4.75e-05
1922,1.93,0.00298,0.00701,4.94e-05
1923,2.02,0.00299,0.00734,5.16e-05
1924,2.12,0.0030099999999999997,0.0077,5.4199999999999996e-05
1925,2.23,0.00302,0.00809,5.7e-05
1926,2.34,0.00304,0.00851,5.99e-05
1927,2.45,0.0030600000000000002,0.00893,6.28e-05
1928,2.57,0.0030800000000000003,0.00934,6.58e-05
1929,2.68,0.0031,0.00975,6.86e-05
1930,2.78,0.00313,0.0101,7.12e-05
1931,2.89,0.00315,0.0105,7.4e-05
1932,3.01,0.00318,0.011,7.71e-05
1933,3.14,0.00321,0.0114,8.04e-05
1934,3.27,0.00325,0.0119,8.38e-05
1935,3.4,0.00329,0.0124,8.7e-05
1936,3.52,0.00333,0.0128,9.01e-05
1937,3.62,0.0033900000000000002,0.0132,9.27e-05
1938,3.7,0.0034500000000000004,0.0135,9.470000000000001e-05
1939,3.75,0.00352,0.0136,9.61e-05
1940,3.77,0.00361,0.013699999999999999,9.65e-05
1941,3.74,0.00383,0.0136,9.57e-05
1942,3.65,0.00429,0.013300000000000001,9.35e-05
1943,3.53,0.0049900000000000005,0.0128,9.03e-05
1944,3.37,0.00592,0.0123,8.63e-05
1945,3.21,0.00705,0.011699999999999999,8.21e-05
1946,3.04,0.00839,0.0111,7.78e-05
1947,2.89,0.00992,0.0105,7.38e-05
1948,2.76,0.0116,0.01,7.06e-05
1949,2.15,0.0135,0.00783,5.5100000000000004e-05
1950,2.01,0.0156,0.0073,5.14e-05
1951,2.93,0.018600000000000002,0.0106,7.489999999999999e-05
1952,3.54,0.0233,0.0129,9.049999999999999e-05
1953,3.55,0.0296,0.0129,9.09e-05
1954,3.82,0.037399999999999996,0.013900000000000001,9.76e-05
1955,4.09,0.0465,0.0149,0.00010499999999999999
1956,4.13,0.0569,0.015,0.000106
1957,1.73,0.0684,0.00631,4.44e-05
1958,2.3,0.081,0.00836,5.88e-05
1959,1.8,0.0945,0.006549999999999999,4.61e-05
1960,1.4,0.109,0.00508,3.57e-05
1961,2.09,0.125,0.0076100000000000004,5.36e-05
1962,2.51,0.208,0.009130000000000001,6.429999999999999e-05
1963,3.31,0.265,0.012,8.46e-05
1964,3.6,0.297,0.013099999999999999,9.22e-05
1965,2.43,0.333,0.00883,6.21e-05
1966,0.477,0.46,0.00173,1.22e-05
1967,2.82,0.54,0.0103,7.22e-05
1968,5.14,0.631,0.018699999999999998,0.000132
1969,6.89,0.708,0.0251,0.000176
1970,17.8,0.781,0.014199999999999999,0.000213
1971,16.3,0.772,0.014199999999999999,0.000213
1972,21.7,1.01,0.0144,0.000213
1973,20.7,1.06,0.0147,0.000213
1974,21.4,1.08,0.0149,0.000212
1975,23.9,1.26,0.0152,0.000223
1976,29.4,1.36,0.0154,0.000219
1977,27.6,1.43,0.0155,0.000223
1978,32.5,1.49,0.0157,0.000232
1979,35.4,1.56,0.0159,0.000443
1980,30.5,1.79,0.0162,0.00045400000000000003
1981,25.7,2.07,0.0165,0.000523
1982,28.4,2.28,0.0169,0.000533
1983,33.4,2.59,0.0173,0.000544
1984,32.0,2.4,0.0177,0.000539
1985,32.4,2.13,0.0182,0.000574
1986,34.1,2.09,0.0185,0.0005899999999999999
1987,31.8,2.07,0.0189,0.000856
1988,35.3,2.16,0.0193,0.000884
1989,41.0,2.19,0.0197,0.00088
1990,43.6,2.42,0.0202,0.00088
1991,44.3,2.53,0.0208,0.0008810000000000001
1992,47.5,2.54,0.0214,0.00091
1993,49.7,2.9,0.0221,0.000914
1994,60.1,3.19,0.023100000000000002,0.000919
1995,40.6,3.25,0.0238,0.00093
1996,48.0,3.43,0.024399999999999998,0.0009379999999999999
1997,56.8,3.52,0.0249,0.000643
1998,47.4,3.19,0.0255,0.00066
1999,49.2,3.0,0.0261,0.0006670000000000001
2000,48.4,2.92,0.0268,0.0006730000000000001
2001,49.2,2.94,0.0275,0.00034300000000000004
2002,47.1,3.33,0.0282,0.000345
2003,31.1,3.93,0.0291,0.00034899999999999997
2004,28.5,4.49,0.0299,0.00035
2005,30.4,5.02,0.030699999999999998,0.0006129999999999999
2006,30.8,5.61,0.0315,0.0010400000000000001
2007,19.9,5.84,0.0324,0.0009509999999999999
2008,36.1,6.21,0.0332,0.000493
2009,55.9,6.44,0.0339,9.86e-05
2010,55.6,6.66,0.0347,0.000154
2011,45.2,6.89,0.0354,0.00028000000000000003
2012,36.4,7.09,0.036,0.000331
2013,55.7,7.31,0.0367,0.000322
2014,56.4,6.84,0.037200000000000004,0.000301
2015,59.8,6.83,0.0378,0.00028100000000000005
2016,64.1,6.87,0.0385,0.00026000000000000003
2017,67.6,6.91,0.0391,0.00023899999999999998
2018,66.5,6.95,0.039799999999999995,0.00021799999999999999