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
1881,0.000395,0.0025800000000000003,3.45e-08,1.2500000000000001e-12
1882,0.000933,0.0060999999999999995,8.150000000000001e-08,2.9600000000000003e-12
1883,0.00159,0.0104,1.39e-07,5.05e-12
1884,0.00234,0.015300000000000001,2.04e-07,7.42e-12
1885,0.00315,0.0206,2.75e-07,1.0000000000000001e-11
1886,0.00412,0.0269,3.6000000000000005e-07,1.31e-11
1887,0.00529,0.0346,4.6200000000000003e-07,1.6800000000000003e-11
1888,0.00661,0.0432,5.77e-07,2.1e-11
1889,0.00802,0.052399999999999995,7e-07,2.55e-11
1890,0.009460000000000001,0.0394,8.26e-07,3e-11
1891,0.011,0.0394,9.64e-07,3.5e-11
1892,0.012199999999999999,0.0395,1.07e-06,3.88e-11
1893,0.0217,0.0395,1.89e-06,6.88e-11
1894,0.0414,0.0395,3.6099999999999997e-06,1.3099999999999999e-10
1895,0.0414,0.0396,3.6099999999999997e-06,1.3099999999999999e-10
1896,0.0461,0.0396,4.0299999999999995e-06,1.46e-10
1897,0.0359,0.0396,3.13e-06,1.1400000000000001e-10
1898,0.0544,0.039700000000000006,4.75e-06,1.73e-10
1899,0.0634,0.039700000000000006,5.5399999999999995e-06,2.02e-10
1900,0.0859,0.039799999999999995,7.499999999999999e-06,2.7300000000000004e-10
1901,0.0938,0.039799999999999995,8.19e-06,2.98e-10
1902,0.0879,0.0399,7.67e-06,2.79e-10
1903,0.09540000000000001,0.04,8.33e-06,3.03e-10
1904,0.102,0.040100000000000004,8.880000000000001e-06,3.23e-10
1905,0.11,0.0402,9.64e-06,3.5e-10
1906,0.132,0.0402,1.15e-05,4.19e-10
1907,0.134,0.0404,1.17e-05,4.2699999999999997e-10
1908,0.145,0.0405,1.26e-05,4.59e-10
1909,0.149,0.040600000000000004,1.3e-05,4.72e-10
1910,0.147,0.0407,1.2800000000000001e-05,4.669999999999999e-10
1911,0.159,0.040799999999999996,1.3899999999999999e-05,5.06e-10
1912,0.163,0.0409,1.4200000000000001e-05,5.18e-10
1913,0.448,0.041100000000000005,3.91e-05,1.42e-09
1914,0.439,0.0412,3.83e-05,1.39e-09
1915,0.415,0.0414,3.63e-05,1.32e-09
1916,0.385,0.0415,3.36e-05,1.22e-09
1917,0.354,0.0417,3.09e-05,1.12e-09
1918,0.331,0.0419,2.8899999999999998e-05,1.0499999999999999e-09
1919,0.321,0.0421,2.8e-05,1.02e-09
1920,0.426,0.0423,3.7199999999999996e-05,1.35e-09
1921,0.454,0.0425,3.96e-05,1.44e-09
1922,0.65,0.0428,5.6800000000000005e-05,2.0600000000000003e-09
1923,0.71,0.043,6.2e-05,2.25e-09
1924,0.728,0.0433,6.35e-05,2.31e-09
1925,0.796,0.0436,6.950000000000001e-05,2.5299999999999997e-09
1926,0.774,0.044,6.759999999999999e-05,2.46e-09
1927,0.873,0.0443,7.620000000000001e-05,2.77e-09
1928,0.949,0.0559,8.29e-05,3.01e-09
1929,1.08,0.056600000000000004,9.45e-05,3.44e-09
1930,1.01,0.0574,8.82e-05,3.2100000000000003e-09
1931,0.897,0.0582,7.829999999999999e-05,2.85e-09
1932,0.818,0.0555,7.149999999999999e-05,2.6e-09
1933,0.756,0.055799999999999995,6.6e-05,2.4e-09
1934,0.789,0.056600000000000004,6.890000000000001e-05,2.5100000000000002e-09
1935,0.824,0.0588,7.199999999999999e-05,2.62e-09
1936,0.814,0.0574,7.11e-05,2.5799999999999998e-09
1937,0.917,0.0578,8.010000000000001e-05,2.91e-09
1938,0.88,0.0599,7.68e-05,2.79e-09
1939,0.927,0.0601,8.1e-05,2.95e-09
1940,1.11,0.0615,9.68e-05,3.5200000000000003e-09
1941,0.821,0.0632,7.17e-05,2.61e-09
1942,0.287,0.06559999999999999,2.51e-05,9.13e-10
1943,0.000231,0.0685,2.02e-08,7.34e-13
1944,0.00578,0.061399999999999996,5.05e-07,1.84e-11
1945,0.55,0.067,4.8e-05,1.75e-09
1946,1.07,0.07759999999999999,9.36e-05,3.4000000000000003e-09
1947,1.47,0.09129999999999999,0.000128,4.66e-09
1948,1.67,0.096,0.000145,5.2900000000000006e-09
1949,1.9,0.103,0.000166,6.0499999999999996e-09
1950,1.77,0.108,0.000154,5.6099999999999994e-09
1951,1.67,0.116,0.000146,5.31e-09
1952,1.69,0.129,0.000147,5.3600000000000005e-09
1953,1.64,0.143,0.00014399999999999998,5.22e-09
1954,1.98,0.16,0.00017299999999999998,6.28e-09
1955,2.27,0.181,0.000199,7.22e-09
1956,2.61,0.2,0.000228,8.3e-09
1957,2.81,0.226,0.000246,8.93e-09
1958,2.76,0.246,0.000241,8.77e-09
1959,3.16,0.269,0.00027600000000000004,1e-08
1960,3.44,0.291,0.0003,1.09e-08
1961,3.62,0.309,0.000316,1.15e-08
1962,3.69,0.331,0.000322,1.17e-08
1963,4.09,0.355,0.000357,1.2999999999999999e-08
1964,4.61,0.377,0.00040300000000000004,1.47e-08
1965,4.66,0.399,0.00040699999999999997,1.48e-08
1966,4.54,0.422,0.00039600000000000003,1.44e-08
1967,4.44,0.445,0.00038700000000000003,1.41e-08
1968,4.64,0.475,0.00040500000000000003,1.47e-08
1969,4.74,0.503,0.000414,1.51e-08
1970,6.2,0.43,0.000517,1.5999999999999998e-08
1971,6.73,0.465,0.000555,3.35e-08
1972,6.25,0.503,0.000593,4.2e-08
1973,7.1,0.589,0.000632,3.9700000000000005e-08
1974,7.15,0.595,0.0007009999999999999,3.43e-08
1975,7.53,0.584,0.00074,2.77e-08
1976,7.68,0.616,0.000795,2.23e-08
1977,7.36,0.598,0.000862,2e-08
1978,8.06,0.608,0.000937,1.0399999999999999e-05
1979,8.69,0.646,0.001,2.96e-05
1980,8.46,0.59,0.0010500000000000002,4e-05
1981,9.82,0.549,0.0011,2.96e-05
1982,8.79,0.512,0.00114,1.0399999999999999e-05
1983,9.65,0.595,0.0011799999999999998,2.4e-08
1984,10.3,0.619,0.00122,1.2999999999999999e-08
1985,10.6,0.591,0.00126,7.79e-06
1986,10.9,0.589,0.00132,2.22e-05
1987,10.8,0.606,0.0013700000000000001,2.9999999999999997e-05
1988,11.1,0.61,0.0014,2.69e-05
1989,11.1,0.569,0.0014399999999999999,1.95e-05
1990,11.1,0.502,0.00141,1.06e-05
1991,7.28,0.422,0.00133,3.2000000000000003e-06
1992,15.2,0.286,0.00128,8.899999999999999e-08
1993,12.7,0.205,0.00125,1.9900000000000002e-07
1994,3.16,0.226,0.0012900000000000001,1.85e-07
1995,3.36,0.216,0.00138,1.71e-07
1996,4.24,0.184,0.00175,1.71e-07
1997,8.41,0.215,0.0020099999999999996,1.71e-07
1998,10.6,0.278,0.00211,0.0029300000000000003
1999,10.4,0.348,0.0023,0.00733
2000,13.7,0.52,0.00244,0.0101
2001,13.2,0.552,0.00256,0.00484
2002,14.0,0.637,0.00268,0.00645
2003,14.2,0.632,0.0028,0.014199999999999999
2004,15.2,0.711,0.0029300000000000003,0.00975
2005,15.9,0.743,0.00304,0.0125
2006,17.2,0.823,0.00314,0.00726
2007,17.3,0.824,0.00323,0.0088
2008,19.7,0.922,0.00332,0.00447
2009,20.6,0.753,0.0034100000000000003,0.00484
2010,21.4,0.813,0.00349,0.00396
2011,24.1,0.76,0.0035800000000000003,0.00733
2012,22.4,0.684,0.00367,0.0044
2013,22.1,0.746,0.00367,0.00477
2014,22.6,0.733,0.00367,0.00337
2015,20.8,0.724,0.00367,0.00323
2016,21.8,0.734,0.0037,0.00455
2017,22.4,0.736,0.0037400000000000003,0.00455
2018,22.6,0.736,0.00378,0.00455