year,IPC1,IPC2
1850,1.54e-05,4.44e-07
1851,1.62e-05,4.68e-07
1852,1.7100000000000002e-05,4.93e-07
1853,1.8100000000000003e-05,5.2e-07
1854,1.91e-05,5.48e-07
1855,2.01e-05,5.779999999999999e-07
1856,2.12e-05,6.1e-07
1857,2.23e-05,6.43e-07
1858,2.35e-05,6.769999999999999e-07
1859,2.47e-05,7.119999999999999e-07
1860,2.6e-05,7.48e-07
1861,2.7300000000000003e-05,7.86e-07
1862,2.87e-05,8.25e-07
1863,3.01e-05,8.67e-07
1864,3.16e-05,9.1e-07
1865,3.32e-05,9.55e-07
1866,3.48e-05,1e-06
1867,3.65e-05,1.05e-06
1868,3.83e-05,1.1e-06
1869,4.02e-05,1.16e-06
1870,4.21e-05,1.2099999999999998e-06
1871,4.41e-05,1.2700000000000001e-06
1872,4.63e-05,1.33e-06
1873,4.8599999999999995e-05,1.4e-06
1874,5.11e-05,1.47e-06
1875,5.36e-05,1.5399999999999999e-06
1876,5.62e-05,1.62e-06
1877,5.89e-05,1.6999999999999998e-06
1878,6.17e-05,1.78e-06
1879,6.45e-05,1.8600000000000002e-06
1880,6.74e-05,1.94e-06
1881,7.04e-05,2.03e-06
1882,7.340000000000001e-05,2.1099999999999997e-06
1883,7.65e-05,2.2e-06
1884,7.98e-05,2.3e-06
1885,8.309999999999999e-05,2.39e-06
1886,8.659999999999999e-05,2.49e-06
1887,9.01e-05,2.5899999999999998e-06
1888,9.389999999999999e-05,2.7e-06
1889,9.769999999999999e-05,2.81e-06
1890,0.00010899999999999999,2.7699999999999997e-06
1891,0.000114,2.7699999999999997e-06
1892,0.000118,2.7699999999999997e-06
1893,0.000124,2.7699999999999997e-06
1894,0.000129,2.7699999999999997e-06
1895,0.000135,2.7699999999999997e-06
1896,0.00014199999999999998,2.7699999999999997e-06
1897,0.000149,2.7699999999999997e-06
1898,0.000156,2.7699999999999997e-06
1899,0.000163,2.7699999999999997e-06
1900,0.000171,2.7699999999999997e-06
1901,0.000179,2.7699999999999997e-06
1902,0.000188,2.7699999999999997e-06
1903,0.00019800000000000002,2.7699999999999997e-06
1904,0.000208,2.7699999999999997e-06
1905,0.000219,2.7699999999999997e-06
1906,0.00023,2.7699999999999997e-06
1907,0.000242,2.78e-06
1908,0.000253,2.78e-06
1909,0.000264,2.78e-06
1910,0.00027400000000000005,2.78e-06
1911,0.00028399999999999996,2.78e-06
1912,0.000294,2.78e-06
1913,0.000304,2.78e-06
1914,0.000313,2.78e-06
1915,0.000323,2.78e-06
1916,0.000333,2.78e-06
1917,0.00034300000000000004,2.78e-06
1918,0.00035299999999999996,2.78e-06
1919,0.000364,2.78e-06
1920,0.000375,2.78e-06
1921,0.00038700000000000003,2.87e-06
1922,0.000399,3.11e-06
1923,0.000412,3.5e-06
1924,0.000425,4.01e-06
1925,0.000439,4.610000000000001e-06
1926,0.000453,5.29e-06
1927,0.000467,6.02e-06
1928,0.000482,6.79e-06
1929,0.000498,7.57e-06
1930,0.000514,8.34e-06
1931,0.00053,9.14e-06
1932,0.000546,1e-05
1933,0.0005639999999999999,1.1e-05
1934,0.0005809999999999999,1.2e-05
1935,0.0006,1.31e-05
1936,0.000619,1.44e-05
1937,0.000639,1.57e-05
1938,0.00066,1.7100000000000002e-05
1939,0.0006820000000000001,1.8599999999999998e-05
1940,0.000705,2.03e-05
1941,0.0007289999999999999,2.2100000000000002e-05
1942,0.000752,2.42e-05
1943,0.000776,2.66e-05
1944,0.0008010000000000001,2.93e-05
1945,0.000828,3.2099999999999994e-05
1946,0.000857,3.52e-05
1947,0.0008900000000000001,3.85e-05
1948,0.0009260000000000001,4.19e-05
1949,0.000968,4.55e-05
1950,0.00101,4.93e-05
1951,0.00108,5.32e-05
1952,0.00116,5.75e-05
1953,0.00127,6.22e-05
1954,0.00139,6.72e-05
1955,0.0015300000000000001,7.25e-05
1956,0.0016699999999999998,7.82e-05
1957,0.00181,8.42e-05
1958,0.00195,9.06e-05
1959,0.00209,9.73e-05
1960,0.00222,0.000104
1961,0.0021000000000000003,0.000112
1962,0.00367,0.00011999999999999999
1963,0.00367,0.000128
1964,0.00733,0.00013700000000000002
1965,0.00733,0.000147
1966,0.011,0.000157
1967,0.00367,0.00016800000000000002
1968,0.0147,0.00017999999999999998
1969,0.0183,0.000193
1970,0.0183,0.000195
1971,0.022,0.00019800000000000002
1972,0.022,0.000203
1973,0.0257,0.000213
1974,0.0257,0.000214
1975,0.0257,0.00022
1976,0.0257,0.00022
1977,0.0293,0.000224
1978,0.0293,0.000225
1979,0.0293,0.000229
1980,0.0293,0.000232
1981,0.044,0.000254
1982,0.0367,0.000262
1983,0.040299999999999996,0.00027800000000000004
1984,0.040299999999999996,0.000279
1985,0.047700000000000006,0.000304
1986,0.055,0.000312
1987,0.062299999999999994,0.00034
1988,0.066,0.000345
1989,0.066,0.000359
1990,0.066,0.000368
1991,0.066,0.00039200000000000004
1992,0.0697,0.00040100000000000004
1993,0.0733,0.00041
1994,0.08070000000000001,0.00041299999999999996
1995,0.0843,0.00040899999999999997
1996,0.0953,0.000425
1997,0.099,0.000428
1998,0.103,0.00043599999999999997
1999,0.103,0.000448
2000,0.103,0.000438
2001,0.106,0.000451
2002,0.114,0.000457
2003,0.121,0.00046300000000000003
2004,0.125,0.000477
2005,0.132,0.000491
2006,0.143,0.000493
2007,0.15,0.0005480000000000001
2008,0.161,0.000554
2009,0.165,0.0005769999999999999
2010,0.172,0.000569
2011,0.176,0.0005480000000000001
2012,0.176,0.000609
2013,0.176,0.000605
2014,0.179,0.000624
2015,0.184,0.000631
2016,0.189,0.000643
2017,0.184,0.000657
2018,0.191,0.00067