year,IPC2
1850,3.5099999999999997e-08
1851,3.5099999999999997e-08
1852,3.5099999999999997e-08
1853,3.5099999999999997e-08
1854,3.5099999999999997e-08
1855,3.5099999999999997e-08
1856,3.5099999999999997e-08
1857,3.5099999999999997e-08
1858,3.5099999999999997e-08
1859,3.5099999999999997e-08
1860,3.5099999999999997e-08
1861,3.5099999999999997e-08
1862,3.5099999999999997e-08
1863,3.5099999999999997e-08
1864,3.5099999999999997e-08
1865,3.5099999999999997e-08
1866,3.5099999999999997e-08
1867,3.5099999999999997e-08
1868,3.5099999999999997e-08
1869,3.5099999999999997e-08
1870,3.5099999999999997e-08
1871,3.5099999999999997e-08
1872,3.5099999999999997e-08
1873,3.5099999999999997e-08
1874,3.5099999999999997e-08
1875,3.5099999999999997e-08
1876,3.5099999999999997e-08
1877,3.5099999999999997e-08
1878,3.5099999999999997e-08
1879,3.5099999999999997e-08
1880,3.5099999999999997e-08
1881,3.5099999999999997e-08
1882,3.5099999999999997e-08
1883,3.5099999999999997e-08
1884,3.5099999999999997e-08
1885,3.5099999999999997e-08
1886,3.5099999999999997e-08
1887,3.5099999999999997e-08
1888,3.5099999999999997e-08
1889,3.5099999999999997e-08
1890,3.5200000000000004e-08
1891,4.02e-08
1892,5.42e-08
1893,7.53e-08
1894,1.02e-07
1895,1.3200000000000002e-07
1896,1.64e-07
1897,1.97e-07
1898,2.28e-07
1899,2.55e-07
1900,2.78e-07
1901,2.96e-07
1902,3.13e-07
1903,3.29e-07
1904,3.44e-07
1905,3.5799999999999995e-07
1906,3.73e-07
1907,3.88e-07
1908,4.04e-07
1909,4.2099999999999997e-07
1910,4.41e-07
1911,4.6200000000000003e-07
1912,4.84e-07
1913,5.079999999999999e-07
1914,5.33e-07
1915,5.590000000000001e-07
1916,5.87e-07
1917,6.16e-07
1918,6.47e-07
1919,6.79e-07
1920,7.119999999999999e-07
1921,8.64e-07
1922,1.22e-06
1923,1.75e-06
1924,2.41e-06
1925,3.15e-06
1926,3.9399999999999995e-06
1927,4.74e-06
1928,5.5e-06
1929,6.19e-06
1930,6.7699999999999996e-06
1931,7.26e-06
1932,7.74e-06
1933,8.19e-06
1934,8.64e-06
1935,9.07e-06
1936,9.509999999999999e-06
1937,9.94e-06
1938,1.0399999999999999e-05
1939,1.08e-05
1940,1.1299999999999999e-05
1941,1.18e-05
1942,1.23e-05
1943,1.2800000000000001e-05
1944,1.33e-05
1945,1.3899999999999999e-05
1946,1.45e-05
1947,1.5100000000000001e-05
1948,1.58e-05
1949,1.65e-05
1950,1.72e-05
1951,1.7999999999999997e-05
1952,1.9e-05
1953,1.9900000000000003e-05
1954,2.1000000000000002e-05
1955,2.2100000000000002e-05
1956,2.3199999999999998e-05
1957,2.44e-05
1958,2.5600000000000002e-05
1959,2.69e-05
1960,2.82e-05
1961,2.96e-05
1962,3.12e-05
1963,3.29e-05
1964,3.48e-05
1965,3.66e-05
1966,3.84e-05
1967,4.02e-05
1968,4.1700000000000004e-05
1969,4.31e-05
1970,4.3299999999999995e-05
1971,5.07e-05
1972,0.000101
1973,0.000152
1974,0.0216
1975,0.204
1976,0.422
1977,0.578
1978,0.364
1979,0.358
1980,0.379
1981,0.455
1982,0.409
1983,0.343
1984,0.427
1985,0.609
1986,0.676
1987,0.47
1988,0.638
1989,0.644
1990,0.545
1991,0.752
1992,0.629
1993,0.351
1994,0.618
1995,0.533
1996,0.503
1997,0.5
1998,0.536
1999,0.527
2000,0.523
2001,0.516
2002,0.511
2003,0.507
2004,0.505
2005,0.488
2006,0.402
2007,0.5
2008,0.46
2009,0.226
2010,0.402
2011,0.418
2012,0.313
2013,0.236
2014,0.222
2015,0.135
2016,0.113
2017,0.059
2018,0.0295