year,IPC1,IPC2,IPC4,IPCMAG
1850,0.0,0.0,0.0,0.0
1851,0.0,0.0,0.0,0.0
1852,0.0,0.0,0.0,0.0
1853,0.0,0.0,0.0,0.0
1854,0.0,0.0,0.0,0.0
1855,0.0,0.0,0.0,0.0
1856,0.0,0.0,0.0,0.0
1857,0.0,0.0,0.0,0.0
1858,0.0,0.0,0.0,0.0
1859,0.0,0.0,0.0,0.0
1860,0.0,0.0,0.0,0.0
1861,0.0,0.0,0.0,0.0
1862,0.0,0.0,0.0,0.0
1863,0.0,0.0,0.0,0.0
1864,0.0,0.0,0.0,0.0
1865,0.0,0.0,0.0,0.0
1866,0.0,0.0,0.0,0.0
1867,0.0,0.0,0.0,0.0
1868,0.0,0.0,0.0,0.0
1869,0.0,0.0,0.0,0.0
1870,0.0,0.0,0.0,0.0
1871,0.0,0.0,0.0,0.0
1872,0.0,0.0,0.0,0.0
1873,0.0,0.0,0.0,0.0
1874,0.0,0.0,0.0,0.0
1875,0.0,0.0,0.0,0.0
1876,0.0,0.0,0.0,0.0
1877,0.0,0.0,0.0,0.0
1878,0.0,0.0,0.0,0.0
1879,0.0,0.0,0.0,0.0
1880,0.0,0.0,0.0,0.0
1881,0.000828,0.0212,3.45e-08,1.2500000000000001e-12
1882,0.00196,0.0501,8.150000000000001e-08,2.9600000000000003e-12
1883,0.00333,0.0854,1.39e-07,5.05e-12
1884,0.004900000000000001,0.126,2.04e-07,7.42e-12
1885,0.00661,0.169,2.75e-07,1.0000000000000001e-11
1886,0.00863,0.221,3.6000000000000005e-07,1.31e-11
1887,0.0111,0.284,4.6200000000000003e-07,1.6800000000000003e-11
1888,0.013800000000000002,0.355,5.77e-07,2.1e-11
1889,0.016800000000000002,0.431,7e-07,2.55e-11
1890,0.0198,0.324,8.26e-07,3e-11
1891,0.023100000000000002,0.324,9.64e-07,3.5e-11
1892,0.0256,0.324,1.07e-06,3.88e-11
1893,0.045399999999999996,0.324,1.89e-06,6.88e-11
1894,0.0867,0.325,3.6099999999999997e-06,1.3099999999999999e-10
1895,0.0867,0.325,3.6099999999999997e-06,1.3099999999999999e-10
1896,0.09659999999999999,0.325,4.0299999999999995e-06,1.46e-10
1897,0.0752,0.326,3.13e-06,1.1400000000000001e-10
1898,0.114,0.326,4.75e-06,1.73e-10
1899,0.133,0.326,5.5399999999999995e-06,2.02e-10
1900,0.18,0.327,7.499999999999999e-06,2.7300000000000004e-10
1901,0.197,0.327,8.19e-06,2.98e-10
1902,0.184,0.328,7.67e-06,2.79e-10
1903,0.2,0.328,8.33e-06,3.03e-10
1904,0.213,0.329,8.880000000000001e-06,3.23e-10
1905,0.231,0.33,9.64e-06,3.5e-10
1906,0.277,0.331,1.15e-05,4.19e-10
1907,0.282,0.332,1.17e-05,4.2699999999999997e-10
1908,0.303,0.332,1.26e-05,4.59e-10
1909,0.311,0.333,1.3e-05,4.72e-10
1910,0.308,0.334,1.2800000000000001e-05,4.669999999999999e-10
1911,0.334,0.335,1.3899999999999999e-05,5.06e-10
1912,0.342,0.336,1.4200000000000001e-05,5.18e-10
1913,0.939,0.337,3.91e-05,1.42e-09
1914,0.919,0.339,3.83e-05,1.39e-09
1915,0.87,0.34,3.63e-05,1.32e-09
1916,0.806,0.341,3.36e-05,1.22e-09
1917,0.742,0.343,3.09e-05,1.12e-09
1918,0.693,0.344,2.8899999999999998e-05,1.0499999999999999e-09
1919,0.673,0.346,2.8e-05,1.02e-09
1920,0.894,0.347,3.7199999999999996e-05,1.35e-09
1921,0.951,0.349,3.96e-05,1.44e-09
1922,1.36,0.351,5.6800000000000005e-05,2.0600000000000003e-09
1923,1.49,0.354,6.2e-05,2.25e-09
1924,1.52,0.356,6.35e-05,2.31e-09
1925,1.67,0.359,6.950000000000001e-05,2.5299999999999997e-09
1926,1.62,0.361,6.759999999999999e-05,2.46e-09
1927,1.83,0.364,7.620000000000001e-05,2.77e-09
1928,1.99,0.456,8.29e-05,3.01e-09
1929,2.27,0.462,9.45e-05,3.44e-09
1930,2.12,0.469,8.82e-05,3.2100000000000003e-09
1931,1.88,0.475,7.829999999999999e-05,2.85e-09
1932,1.72,0.454,7.149999999999999e-05,2.6e-09
1933,1.58,0.456,6.6e-05,2.4e-09
1934,1.65,0.463,6.890000000000001e-05,2.5100000000000002e-09
1935,1.73,0.48,7.199999999999999e-05,2.62e-09
1936,1.71,0.469,7.11e-05,2.5799999999999998e-09
1937,1.92,0.473,8.010000000000001e-05,2.91e-09
1938,1.84,0.49,7.68e-05,2.79e-09
1939,1.94,0.492,8.1e-05,2.95e-09
1940,2.32,0.503,9.68e-05,3.5200000000000003e-09
1941,1.72,0.517,7.17e-05,2.61e-09
1942,0.602,0.536,2.51e-05,9.13e-10
1943,0.00048499999999999997,0.561,2.02e-08,7.34e-13
1944,0.0121,0.553,5.05e-07,1.84e-11
1945,1.15,0.55,4.8e-05,1.75e-09
1946,2.25,0.635,9.36e-05,3.4000000000000003e-09
1947,3.08,0.746,0.000128,4.66e-09
1948,3.49,0.784,0.000145,5.2900000000000006e-09
1949,3.99,0.842,0.000166,6.0499999999999996e-09
1950,3.71,0.885,0.000154,5.6099999999999994e-09
1951,3.5,0.945,0.000146,5.31e-09
1952,3.54,1.06,0.000147,5.3600000000000005e-09
1953,3.45,1.17,0.00014399999999999998,5.22e-09
1954,4.14,1.31,0.00017299999999999998,6.28e-09
1955,4.77,1.48,0.000199,7.22e-09
1956,5.48,1.64,0.000228,8.3e-09
1957,5.89,1.85,0.000246,8.93e-09
1958,5.79,2.01,0.000241,8.77e-09
1959,6.63,2.21,0.00027600000000000004,1e-08
1960,7.21,2.38,0.0003,1.09e-08
1961,7.58,2.53,0.000316,1.15e-08
1962,7.73,2.71,0.000322,1.17e-08
1963,8.56,2.9,0.000357,1.2999999999999999e-08
1964,9.67,3.09,0.00040300000000000004,1.47e-08
1965,9.76,3.27,0.00040699999999999997,1.48e-08
1966,9.51,3.46,0.00039600000000000003,1.44e-08
1967,9.3,3.65,0.00038700000000000003,1.41e-08
1968,9.73,3.89,0.00040500000000000003,1.47e-08
1969,9.94,4.12,0.000414,1.51e-08
1970,13.0,3.35,0.000517,1.5999999999999998e-08
1971,14.1,3.7,0.000555,3.35e-08
1972,13.1,4.06,0.000593,4.2e-08
1973,14.9,4.79,0.000632,3.9700000000000005e-08
1974,15.0,4.76,0.0007009999999999999,3.43e-08
1975,15.8,4.5,0.00074,2.77e-08
1976,16.1,4.88,0.000795,2.23e-08
1977,15.4,4.7,0.000862,2e-08
1978,16.9,4.63,0.000937,1.0399999999999999e-05
1979,18.2,4.96,0.001,2.96e-05
1980,17.7,4.4,0.0010500000000000002,4e-05
1981,20.6,4.14,0.0011,2.96e-05
1982,18.4,3.56,0.00114,1.0399999999999999e-05
1983,20.2,4.26,0.0011799999999999998,2.4e-08
1984,21.6,4.72,0.00122,1.2999999999999999e-08
1985,22.1,4.41,0.00126,7.79e-06
1986,22.9,4.22,0.00132,2.22e-05
1987,22.6,4.18,0.0013700000000000001,2.9999999999999997e-05
1988,23.3,4.15,0.0014,2.69e-05
1989,23.3,3.73,0.0014399999999999999,1.95e-05
1990,23.6,3.52,0.00141,1.06e-05
1991,21.8,2.58,0.00133,3.2000000000000003e-06
1992,6.02,1.4,0.00128,8.899999999999999e-08
1993,2.26,0.575,0.00125,1.9900000000000002e-07
1994,2.48,0.678,0.0012900000000000001,1.85e-07
1995,2.16,0.554,0.00138,1.71e-07
1996,4.43,0.288,0.00175,1.71e-07
1997,6.98,0.445,0.0020099999999999996,1.71e-07
1998,10.7,0.825,0.00211,0.0029300000000000003
1999,10.8,1.36,0.0023,0.00733
2000,11.4,2.29,0.00244,0.0101
2001,11.9,2.34,0.00256,0.00484
2002,12.5,2.66,0.00268,0.00645
2003,12.5,2.55,0.0028,0.014199999999999999
2004,13.2,2.79,0.0029300000000000003,0.00975
2005,13.7,2.94,0.00304,0.0125
2006,14.7,3.03,0.00314,0.00726
2007,14.6,2.81,0.00323,0.0088
2008,16.6,3.12,0.00332,0.00447
2009,17.2,2.35,0.0034100000000000003,0.00484
2010,17.8,2.66,0.00349,0.00396
2011,19.9,2.3,0.0035800000000000003,0.00733
2012,18.4,1.95,0.00367,0.0044
2013,18.0,2.13,0.00367,0.00477
2014,20.3,2.32,0.00367,0.00337
2015,18.7,2.3,0.00367,0.00323
2016,19.6,2.32,0.0037,0.00455
2017,20.2,2.33,0.0037400000000000003,0.00455
2018,20.3,2.34,0.00378,0.00455