year,IPC1,IPC2,IPC4
1850,0.0,0.0,0.0
1851,0.0,0.0,0.0
1852,0.0,0.0,0.0
1853,0.0,0.0,0.0
1854,0.0,0.0,0.0
1855,0.0,0.0,0.0
1856,0.0,0.0,0.0
1857,0.0,0.0,0.0
1858,0.0,0.0,0.0
1859,0.0,0.0,0.0
1860,0.0,0.0,0.0
1861,0.0,0.0,0.0
1862,0.0,0.0,0.0
1863,0.0,0.0,0.0
1864,0.0,0.0,0.0
1865,0.0,0.0,0.0
1866,0.0,0.0,0.0
1867,0.0,0.0,0.0
1868,0.0,0.0,0.0
1869,0.0,0.0,0.0
1870,0.0,0.0,0.0
1871,0.0,0.0,0.0
1872,0.0,0.0,0.0
1873,0.0,0.0,0.0
1874,0.0,0.0,0.0
1875,0.0,0.0,0.0
1876,0.0,0.0,0.0
1877,0.0,0.0,0.0
1878,0.0,0.0,0.0
1879,0.0,0.0,0.0
1880,0.0,0.0,0.0
1881,0.0,0.0,0.0
1882,0.0,0.0,0.0
1883,0.0,0.0,0.0
1884,0.0,0.0,0.0
1885,0.0,0.0,0.0
1886,0.0,0.0,0.0
1887,0.0,0.0,0.0
1888,0.0,0.0,0.0
1889,0.0,0.0,0.0
1890,0.0,1.56e-05,0.0
1891,9.989999999999999e-13,1.56e-05,0.0
1892,3.87e-12,1.56e-05,0.0
1893,0.000236,1.56e-05,7.54e-07
1894,0.000232,1.56e-05,7.420000000000001e-07
1895,0.000442,1.56e-05,1.41e-06
1896,0.000503,1.56e-05,1.61e-06
1897,0.0007009999999999999,1.56e-05,2.2399999999999997e-06
1898,0.000888,1.56e-05,2.83e-06
1899,0.000656,1.56e-05,2.09e-06
1900,0.0006969999999999999,1.56e-05,2.2300000000000002e-06
1901,0.00177,1.56e-05,5.649999999999999e-06
1902,0.00107,1.56e-05,3.42e-06
1903,0.00254,1.56e-05,8.1e-06
1904,0.00287,1.57e-05,9.15e-06
1905,0.00346,1.57e-05,1.1e-05
1906,0.00361,1.57e-05,1.15e-05
1907,0.0044,1.57e-05,1.4e-05
1908,0.00453,1.57e-05,1.45e-05
1909,0.004860000000000001,1.58e-05,1.55e-05
1910,0.004860000000000001,1.58e-05,1.55e-05
1911,0.00533,1.58e-05,1.7e-05
1912,0.00439,1.59e-05,1.4e-05
1913,0.00457,1.6e-05,1.46e-05
1914,0.00455,1.61e-05,1.45e-05
1915,0.00455,1.62e-05,1.45e-05
1916,0.00497,1.6400000000000002e-05,1.59e-05
1917,0.00515,1.65e-05,1.6400000000000002e-05
1918,0.00512,1.66e-05,1.63e-05
1919,0.00532,1.67e-05,1.7e-05
1920,0.00557,1.6899999999999997e-05,1.78e-05
1921,0.00562,1.7e-05,1.7899999999999998e-05
1922,0.0056,1.7100000000000002e-05,1.7899999999999998e-05
1923,0.00644,1.72e-05,2.06e-05
1924,0.00658,1.72e-05,2.1000000000000002e-05
1925,0.007019999999999999,1.73e-05,2.24e-05
1926,0.00692,1.74e-05,2.2100000000000002e-05
1927,0.00838,1.7500000000000002e-05,2.68e-05
1928,0.00999,1.77e-05,3.1899999999999996e-05
1929,0.013300000000000001,1.78e-05,4.25e-05
1930,0.0127,1.7899999999999998e-05,4.07e-05
1931,0.0123,1.8100000000000003e-05,3.93e-05
1932,0.0129,1.8200000000000002e-05,4.13e-05
1933,0.0141,1.84e-05,4.51e-05
1934,0.0154,1.8599999999999998e-05,4.92e-05
1935,0.016,1.88e-05,5.1e-05
1936,0.0178,1.91e-05,5.6800000000000005e-05
1937,0.0208,1.94e-05,6.64e-05
1938,0.0219,1.98e-05,6.99e-05
1939,0.023399999999999997,2.02e-05,7.48e-05
1940,0.0223,2.07e-05,7.12e-05
1941,0.022,2.19e-05,7.01e-05
1942,0.00984,2.46e-05,3.14e-05
1943,0.0198,2.86e-05,6.32e-05
1944,0.00912,3.39e-05,2.91e-05
1945,0.00311,4.04e-05,9.94e-06
1946,0.000964,4.81e-05,3.0799999999999997e-06
1947,0.0035499999999999998,5.69e-05,1.1299999999999999e-05
1948,0.013900000000000001,6.67e-05,4.43e-05
1949,0.0198,7.75e-05,6.31e-05
1950,0.006860000000000001,8.92e-05,2.19e-05
1951,0.00595,0.000106,1.9e-05
1952,0.00848,0.000133,2.7099999999999998e-05
1953,0.008539999999999999,0.00017,2.7300000000000003e-05
1954,0.00977,0.000214,3.12e-05
1955,0.0156,0.00026700000000000004,4.98e-05
1956,0.0162,0.000326,5.16e-05
1957,0.0169,0.00039200000000000004,5.38e-05
1958,0.0171,0.000464,5.4600000000000006e-05
1959,0.0183,0.0005420000000000001,5.86e-05
1960,0.015300000000000001,0.000624,4.88e-05
1961,0.0201,0.000719,6.419999999999999e-05
1962,0.0169,0.0008359999999999999,5.39e-05
1963,0.016300000000000002,0.000976,5.19e-05
1964,0.016300000000000002,0.00114,5.22e-05
1965,0.0184,0.00132,5.8700000000000004e-05
1966,0.0169,0.0015300000000000001,5.39e-05
1967,0.0183,0.00176,5.8500000000000006e-05
1968,0.0214,0.0020099999999999996,6.829999999999999e-05
1969,0.0286,0.00229,9.14e-05
1970,0.0304,0.00186,6.52e-05
1971,0.032799999999999996,0.00191,6.68e-05
1972,0.036,0.00199,6.78e-05
1973,0.040299999999999996,0.00207,6.950000000000001e-05
1974,0.0409,0.0021000000000000003,6.93e-05
1975,0.0424,0.00215,6.92e-05
1976,0.047700000000000006,0.00196,6.87e-05
1977,0.0586,0.00188,6.769999999999999e-05
1978,0.06509999999999999,0.00202,6.68e-05
1979,0.066,0.0019299999999999999,6.64e-05
1980,0.0688,0.0019399999999999999,6.57e-05
1981,0.0732,0.00188,6.49e-05
1982,0.07809999999999999,0.002,6.49e-05
1983,0.0809,0.00196,6.59e-05
1984,0.0772,0.00198,6.78e-05
1985,0.08170000000000001,0.00188,6.92e-05
1986,0.0814,0.00191,7.04e-05
1987,0.078,0.0019299999999999999,7.199999999999999e-05
1988,0.09079999999999999,0.00202,7.39e-05
1989,0.0882,0.0020499999999999997,7.539999999999999e-05
1990,0.086,0.0021000000000000003,7.670000000000001e-05
1991,0.108,0.00217,7.7e-05
1992,0.122,0.00226,7.9e-05
1993,0.122,0.00233,8.08e-05
1994,0.118,0.00231,8.25e-05
1995,0.119,0.00234,8.23e-05
1996,0.13,0.00232,8.19e-05
1997,0.15,0.0022400000000000002,8.11e-05
1998,0.181,0.00214,7.950000000000001e-05
1999,0.273,0.00207,7.85e-05
2000,0.39,0.0020800000000000003,7.91e-05
2001,0.279,0.0020800000000000003,8.07e-05
2002,0.266,0.00213,8.400000000000001e-05
2003,0.26,0.00228,8.91e-05
2004,0.509,0.0025099999999999996,9.49e-05
2005,0.327,0.00263,0.000101
2006,0.322,0.0028799999999999997,0.000104
2007,0.292,0.00318,0.000108
2008,0.289,0.00314,0.00011300000000000001
2009,0.326,0.00315,0.00011700000000000001
2010,0.309,0.00316,0.000122
2011,0.343,0.0032,0.000126
2012,0.391,0.0032400000000000003,0.000131
2013,0.527,0.00328,0.000131
2014,0.53,0.00329,0.000131
2015,0.498,0.00331,0.000131
2016,0.493,0.0033399999999999997,0.000132
2017,0.507,0.00337,0.000134
2018,0.513,0.0034,0.000136