year,IPC1,IPC2,IPCMAG
1850,0.00106,0.000201,2.69e-05
1851,0.00111,0.000211,2.83e-05
1852,0.00117,0.000223,2.98e-05
1853,0.00124,0.000235,3.15e-05
1854,0.00131,0.000248,3.32e-05
1855,0.00138,0.000261,3.5000000000000004e-05
1856,0.00145,0.00027600000000000004,3.69e-05
1857,0.0015300000000000001,0.00029099999999999997,3.89e-05
1858,0.00161,0.000306,4.1e-05
1859,0.0017,0.000322,4.31e-05
1860,0.0017800000000000001,0.00033800000000000003,4.53e-05
1861,0.0018700000000000001,0.00035499999999999996,4.7600000000000005e-05
1862,0.00197,0.000373,5e-05
1863,0.00207,0.00039200000000000004,5.2499999999999995e-05
1864,0.00217,0.00041099999999999996,5.5100000000000004e-05
1865,0.00228,0.000432,5.7799999999999995e-05
1866,0.00239,0.000453,6.07e-05
1867,0.0025099999999999996,0.000475,6.37e-05
1868,0.00263,0.000498,6.68e-05
1869,0.00276,0.000523,7.000000000000001e-05
1870,0.00289,0.0005480000000000001,7.340000000000001e-05
1871,0.0030299999999999997,0.000574,7.69e-05
1872,0.00318,0.000603,8.07e-05
1873,0.0033399999999999997,0.000633,8.47e-05
1874,0.0035,0.000664,8.9e-05
1875,0.00368,0.0006969999999999999,9.34e-05
1876,0.0038599999999999997,0.000731,9.79e-05
1877,0.00404,0.000767,0.000103
1878,0.00423,0.000803,0.000108
1879,0.00443,0.0008399999999999999,0.000112
1880,0.00463,0.000877,0.000118
1881,0.00483,0.000916,0.000123
1882,0.00504,0.000955,0.000128
1883,0.00525,0.000996,0.000133
1884,0.00547,0.0010400000000000001,0.00013900000000000002
1885,0.0057,0.00108,0.000145
1886,0.00594,0.00113,0.00015099999999999998
1887,0.00618,0.00117,0.000157
1888,0.00644,0.00122,0.000164
1889,0.0067,0.00127,0.00017
1890,0.00762,0.00126,0.000193
1891,0.00793,0.00126,0.000201
1892,0.008289999999999999,0.00126,0.00020999999999999998
1893,0.00868,0.00126,0.00022
1894,0.00911,0.00126,0.000231
1895,0.00957,0.00127,0.000243
1896,0.0101,0.00127,0.000256
1897,0.0106,0.00127,0.00026900000000000003
1898,0.0111,0.00127,0.00028199999999999997
1899,0.011699999999999999,0.00128,0.000297
1900,0.0123,0.00128,0.000312
1901,0.0129,0.00128,0.00032700000000000003
1902,0.0136,0.00128,0.000345
1903,0.0143,0.0012900000000000001,0.000364
1904,0.015099999999999999,0.0012900000000000001,0.000384
1905,0.016,0.0012900000000000001,0.00040500000000000003
1906,0.016800000000000002,0.0013,0.00042699999999999997
1907,0.0177,0.0013,0.000449
1908,0.018600000000000002,0.00131,0.000472
1909,0.0195,0.00131,0.000495
1910,0.020399999999999998,0.00131,0.000517
1911,0.0213,0.00132,0.000541
1912,0.0224,0.00132,0.0005679999999999999
1913,0.0235,0.00133,0.000597
1914,0.0246,0.00133,0.000626
1915,0.0258,0.00133,0.000655
1916,0.0269,0.00134,0.000683
1917,0.027899999999999998,0.00135,0.000708
1918,0.0288,0.00135,0.00073
1919,0.0294,0.00136,0.000748
1920,0.0299,0.0013700000000000001,0.00076
1921,0.030199999999999998,0.0014,0.000768
1922,0.0305,0.00145,0.000773
1923,0.030600000000000002,0.0015300000000000001,0.000778
1924,0.0308,0.00163,0.000782
1925,0.030899999999999997,0.00175,0.000785
1926,0.031,0.00189,0.0007880000000000001
1927,0.0312,0.00204,0.0007930000000000001
1928,0.0314,0.00221,0.000798
1929,0.0317,0.0023799999999999997,0.000805
1930,0.032100000000000004,0.00256,0.0008139999999999999
1931,0.0347,0.00275,0.0008810000000000001
1932,0.0412,0.00298,0.0010500000000000002
1933,0.0508,0.0032400000000000003,0.0012900000000000001
1934,0.0627,0.0035299999999999997,0.00159
1935,0.0761,0.00387,0.0019299999999999999
1936,0.09029999999999999,0.00425,0.00229
1937,0.104,0.00468,0.00265
1938,0.118,0.00517,0.00299
1939,0.129,0.0057,0.00328
1940,0.138,0.0063,0.0035099999999999997
1941,0.145,0.00707,0.00369
1942,0.151,0.00813,0.0038399999999999997
1943,0.156,0.009460000000000001,0.0039700000000000004
1944,0.161,0.011,0.00409
1945,0.166,0.0129,0.004200000000000001
1946,0.17,0.015,0.00433
1947,0.176,0.0173,0.0044599999999999996
1948,0.182,0.0198,0.00462
1949,0.19,0.0225,0.0048200000000000005
1950,0.264,0.0255,0.0067
1951,0.279,0.029,0.00708
1952,0.315,0.033600000000000005,0.00801
1953,0.367,0.039200000000000006,0.00931
1954,0.444,0.0456,0.011300000000000001
1955,0.451,0.0528,0.0115
1956,0.656,0.0788,0.0167
1957,0.785,0.102,0.019899999999999998
1958,0.73,0.118,0.0185
1959,0.792,0.127,0.0201
1960,0.843,0.141,0.0214
1961,0.818,0.154,0.0208
1962,0.858,0.165,0.0218
1963,0.939,0.177,0.0238
1964,0.964,0.179,0.0245
1965,1.1,0.204,0.028
1966,1.2,0.22,0.0304
1967,1.27,0.28,0.032299999999999995
1968,1.51,0.324,0.038299999999999994
1969,1.55,0.348,0.0394
1970,1.57,0.316,0.0305
1971,1.73,0.34,0.0295
1972,2.2,0.404,0.0348
1973,2.28,0.416,0.040799999999999996
1974,1.76,0.358,0.0103
1975,1.68,0.491,0.038799999999999994
1976,1.95,0.707,0.026199999999999998
1977,2.13,0.728,0.011800000000000001
1978,2.26,0.743,0.00876
1979,2.44,0.745,0.008060000000000001
1980,2.59,0.806,0.00667
1981,2.53,0.702,0.00658
1982,2.57,0.705,0.00705
1983,2.63,0.633,0.011
1984,2.76,0.565,0.011800000000000001
1985,2.77,0.465,0.0115
1986,3.12,0.583,0.0104
1987,3.69,0.584,0.0129
1988,3.7,0.594,0.011800000000000001
1989,3.82,0.705,0.0116
1990,3.81,0.727,0.0112
1991,4.13,0.694,0.011300000000000001
1992,4.62,0.742,0.0141
1993,4.9,0.802,0.011699999999999999
1994,5.12,0.835,0.0114
1995,4.87,0.797,0.0103
1996,5.44,0.85,0.011699999999999999
1997,5.4,0.812,0.00792
1998,5.8,0.766,0.00931
1999,5.8,0.768,0.00975
2000,6.23,0.791,0.0074800000000000005
2001,6.16,0.774,0.00741
2002,6.3,0.795,0.00697
2003,6.93,0.78,0.00513
2004,6.49,0.839,0.00697
2005,6.6,0.851,0.007019999999999999
2006,6.89,0.851,0.00792
2007,7.26,0.842,0.00821
2008,7.62,0.85,0.00873
2009,7.37,0.703,0.00968
2010,7.04,0.591,0.0103
2011,6.82,0.585,0.0116
2012,6.41,0.542,0.0127
2013,5.52,0.789,0.00872
2014,5.7,1.01,0.0162
2015,5.83,0.914,0.0112
2016,6.31,0.92,0.0115
2017,6.46,0.956,0.0116
2018,6.4,0.956,0.011800000000000001