year,IPC2
1850,3.5700000000000003e-11
1851,3.5700000000000003e-11
1852,3.5700000000000003e-11
1853,3.5700000000000003e-11
1854,3.5700000000000003e-11
1855,3.5700000000000003e-11
1856,3.5700000000000003e-11
1857,3.5700000000000003e-11
1858,3.5700000000000003e-11
1859,3.5700000000000003e-11
1860,3.5700000000000003e-11
1861,3.5700000000000003e-11
1862,3.5700000000000003e-11
1863,3.5700000000000003e-11
1864,3.5700000000000003e-11
1865,3.58e-11
1866,3.58e-11
1867,3.58e-11
1868,3.58e-11
1869,3.58e-11
1870,3.58e-11
1871,3.58e-11
1872,3.58e-11
1873,3.58e-11
1874,3.58e-11
1875,3.58e-11
1876,3.58e-11
1877,3.58e-11
1878,3.58e-11
1879,3.58e-11
1880,3.58e-11
1881,3.58e-11
1882,3.58e-11
1883,3.58e-11
1884,3.58e-11
1885,3.58e-11
1886,3.58e-11
1887,3.58e-11
1888,3.58e-11
1889,3.58e-11
1890,3.58e-11
1891,4.09e-11
1892,5.52e-11
1893,7.67e-11
1894,1.04e-10
1895,1.35e-10
1896,1.67e-10
1897,1.9999999999999998e-10
1898,2.32e-10
1899,2.6e-10
1900,2.83e-10
1901,3.02e-10
1902,3.19e-10
1903,3.3500000000000003e-10
1904,3.5e-10
1905,3.65e-10
1906,3.8000000000000003e-10
1907,3.95e-10
1908,4.1100000000000003e-10
1909,4.2899999999999997e-10
1910,4.49e-10
1911,4.7e-10
1912,4.93e-10
1913,5.17e-10
1914,5.43e-10
1915,5.700000000000001e-10
1916,5.98e-10
1917,6.28e-10
1918,6.59e-10
1919,6.92e-10
1920,7.26e-10
1921,1.41e-07
1922,5.21e-07
1923,1.08e-06
1924,1.76e-06
1925,2.5e-06
1926,3.24e-06
1927,3.92e-06
1928,4.4799999999999995e-06
1929,4.86e-06
1930,5e-06
1931,4.890000000000001e-06
1932,4.58e-06
1933,4.13e-06
1934,3.58e-06
1935,2.99e-06
1936,2.39e-06
1937,1.84e-06
1938,1.39e-06
1939,1.08e-06
1940,9.7e-07
1941,1.1e-06
1942,1.4499999999999999e-06
1943,1.99e-06
1944,2.69e-06
1945,3.49e-06
1946,4.37e-06
1947,5.29e-06
1948,6.2e-06
1949,7.07e-06
1950,7.860000000000001e-06
1951,8.609999999999999e-06
1952,9.390000000000002e-06
1953,1.02e-05
1954,1.1e-05
1955,1.18e-05
1956,1.2699999999999999e-05
1957,1.3599999999999999e-05
1958,1.45e-05
1959,1.54e-05
1960,1.6400000000000002e-05
1961,1.74e-05
1962,1.84e-05
1963,1.94e-05
1964,2.05e-05
1965,2.16e-05
1966,2.29e-05
1967,2.4299999999999998e-05
1968,2.59e-05
1969,2.76e-05
1970,2.75e-05
1971,0.0051600000000000005
1972,0.010199999999999999
1973,0.018600000000000002
1974,0.0259
1975,0.043
1976,0.0599
1977,0.0723
1978,0.0834
1979,0.102
1980,0.119
1981,0.109
1982,0.106
1983,0.102
1984,0.119
1985,0.131
1986,0.145
1987,0.16
1988,0.166
1989,0.192
1990,0.2
1991,0.234
1992,0.261
1993,0.26
1994,0.255
1995,0.243
1996,0.221
1997,0.192
1998,0.161
1999,0.212
2000,0.107
2001,0.246
2002,0.309
2003,0.374
2004,0.372
2005,0.404
2006,0.495
2007,0.55
2008,0.605
2009,0.436
2010,0.452
2011,0.585
2012,0.624
2013,0.663
2014,0.703
2015,0.743
2016,0.782
2017,0.822
2018,0.862