year,IPC1,IPC2
1850,6.13e-05,7.5e-07
1851,6.45e-05,7.89e-07
1852,6.8e-05,8.319999999999999e-07
1853,7.18e-05,8.769999999999999e-07
1854,7.57e-05,9.26e-07
1855,7.99e-05,9.77e-07
1856,8.42e-05,1.03e-06
1857,8.88e-05,1.09e-06
1858,9.35e-05,1.1399999999999999e-06
1859,9.83e-05,1.2e-06
1860,0.000103,1.26e-06
1861,0.00010899999999999999,1.33e-06
1862,0.000114,1.39e-06
1863,0.00011999999999999999,1.46e-06
1864,0.000126,1.5399999999999999e-06
1865,0.000132,1.61e-06
1866,0.00013800000000000002,1.6900000000000001e-06
1867,0.000145,1.77e-06
1868,0.000152,1.8600000000000002e-06
1869,0.00016,1.95e-06
1870,0.00016700000000000002,2.0500000000000003e-06
1871,0.000175,2.14e-06
1872,0.000184,2.2499999999999996e-06
1873,0.000193,2.3600000000000003e-06
1874,0.000203,2.48e-06
1875,0.000213,2.5999999999999997e-06
1876,0.000223,2.7299999999999997e-06
1877,0.00023400000000000002,2.86e-06
1878,0.000245,3e-06
1879,0.000256,3.14e-06
1880,0.000268,3.28e-06
1881,0.00028000000000000003,3.42e-06
1882,0.000292,3.5699999999999997e-06
1883,0.000304,3.7200000000000004e-06
1884,0.000317,3.88e-06
1885,0.00033,4.04e-06
1886,0.00034399999999999996,4.21e-06
1887,0.000358,4.38e-06
1888,0.000373,4.5599999999999995e-06
1889,0.000388,4.75e-06
1890,0.000425,4.71e-06
1891,0.000441,4.73e-06
1892,0.000458,4.74e-06
1893,0.00047599999999999997,4.75e-06
1894,0.000496,4.77e-06
1895,0.000516,4.79e-06
1896,0.0005380000000000001,4.81e-06
1897,0.0005610000000000001,4.83e-06
1898,0.000584,4.85e-06
1899,0.000609,4.88e-06
1900,0.000634,4.9e-06
1901,0.000661,4.9199999999999995e-06
1902,0.0006929999999999999,4.95e-06
1903,0.000728,4.98e-06
1904,0.0007650000000000001,5.0099999999999995e-06
1905,0.0008020000000000001,5.04e-06
1906,0.000839,5.07e-06
1907,0.000874,5.1e-06
1908,0.000907,5.14e-06
1909,0.0009350000000000001,5.1799999999999995e-06
1910,0.000959,5.23e-06
1911,0.0009809999999999999,5.27e-06
1912,0.001,5.33e-06
1913,0.00102,5.38e-06
1914,0.0010400000000000001,5.45e-06
1915,0.00106,5.52e-06
1916,0.00108,5.590000000000001e-06
1917,0.00109,5.67e-06
1918,0.0011,5.75e-06
1919,0.00111,5.84e-06
1920,0.00111,5.93e-06
1921,0.00111,6.02e-06
1922,0.00111,6.13e-06
1923,0.0011,6.2399999999999995e-06
1924,0.00109,6.36e-06
1925,0.00108,6.49e-06
1926,0.00107,6.629999999999999e-06
1927,0.00106,6.7799999999999995e-06
1928,0.0010500000000000002,6.94e-06
1929,0.0010500000000000002,7.100000000000001e-06
1930,0.0010500000000000002,7.28e-06
1931,0.0010500000000000002,7.4799999999999995e-06
1932,0.00107,7.7e-06
1933,0.00109,7.96e-06
1934,0.00113,8.229999999999999e-06
1935,0.00116,8.52e-06
1936,0.00121,8.82e-06
1937,0.00125,9.129999999999999e-06
1938,0.0013,9.43e-06
1939,0.00135,9.74e-06
1940,0.0014,1e-05
1941,0.0014399999999999999,1.03e-05
1942,0.0015,1.06e-05
1943,0.00155,1.08e-05
1944,0.00161,1.1e-05
1945,0.0016799999999999999,1.1299999999999999e-05
1946,0.00175,1.1599999999999999e-05
1947,0.00182,1.1900000000000001e-05
1948,0.00189,1.22e-05
1949,0.00197,1.26e-05
1950,0.0020499999999999997,1.31e-05
1951,0.00214,1.3700000000000001e-05
1952,0.0022400000000000002,1.46e-05
1953,0.00235,1.57e-05
1954,0.00246,1.7e-05
1955,0.00257,1.84e-05
1956,0.0027,1.9900000000000003e-05
1957,0.00282,2.1499999999999997e-05
1958,0.0029500000000000004,2.3e-05
1959,0.00307,2.44e-05
1960,0.0032,2.57e-05
1961,0.00333,2.7099999999999998e-05
1962,0.00346,2.86e-05
1963,0.0036,3.0200000000000002e-05
1964,0.00375,3.18e-05
1965,0.00842,3.34e-05
1966,0.00904,3.49e-05
1967,0.00902,3.6200000000000006e-05
1968,0.00982,3.71e-05
1969,0.011,3.78e-05
1970,0.011,6.429999999999999e-05
1971,0.011,6.429999999999999e-05
1972,0.011,7.22e-05
1973,0.011,7.81e-05
1974,0.011,7.8e-05
1975,0.0147,8.78e-05
1976,0.0147,5.43e-05
1977,0.0293,5.0299999999999996e-05
1978,0.0293,9.17e-05
1979,0.0257,8.56e-05
1980,0.0293,9.16e-05
1981,0.066,0.000157
1982,0.0513,0.00019
1983,0.0513,0.000155
1984,0.022,0.00014000000000000001
1985,0.022,7.580000000000001e-05
1986,0.022,6.419999999999999e-05
1987,0.022,5.79e-05
1988,0.022,7.77e-05
1989,0.022,6.29e-05
1990,0.0367,6.24e-05
1991,0.0367,5.49e-05
1992,0.0367,6.829999999999999e-05
1993,0.0404,6.68e-05
1994,0.0404,4.4999999999999996e-05
1995,0.0404,5.4e-05
1996,0.047700000000000006,6.14e-05
1997,0.047700000000000006,6.4e-05
1998,0.047700000000000006,6.29e-05
1999,0.047700000000000006,6.23e-05
2000,0.047700000000000006,8.7e-05
2001,0.033100000000000004,7.149999999999999e-05
2002,0.0294,5.3e-05
2003,0.033,5.4399999999999994e-05
2004,0.055,7.17e-05
2005,0.0624,9.26e-05
2006,0.06609999999999999,9.53e-05
2007,0.066,8.400000000000001e-05
2008,0.0697,8.13e-05
2009,0.0697,7.209999999999999e-05
2010,0.0697,6.500000000000001e-05
2011,0.0697,6.55e-05
2012,0.0697,6.48e-05
2013,0.0697,3.65e-05
2014,0.0697,3.4e-05
2015,0.0742,3.24e-05
2016,0.0809,2.59e-05
2017,0.0832,2.07e-05
2018,0.118,1.66e-05