year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,0.0
1922,0.0
1923,0.0
1924,0.0
1925,0.0
1926,0.0
1927,0.0
1928,0.0
1929,0.0
1930,0.0
1931,0.0
1932,0.0
1933,0.0
1934,0.0
1935,0.0
1936,0.0
1937,0.0
1938,0.0
1939,0.0
1940,0.0
1941,0.0
1942,0.0
1943,0.0
1944,0.0
1945,0.0
1946,0.0
1947,0.0
1948,0.0
1949,0.0
1950,0.0
1951,0.0
1952,0.0
1953,0.0
1954,0.0
1955,0.0
1956,0.0
1957,0.0
1958,0.0
1959,0.0
1960,0.0
1961,0.0
1962,0.0
1963,0.0
1964,0.0
1965,0.0
1966,0.0
1967,0.0
1968,0.0
1969,0.0
1970,0.0
1971,1.24e-08
1972,2.04e-09
1973,3.1e-08
1974,1.95e-08
1975,5.3600000000000004e-08
1976,9.959999999999999e-08
1977,1.38e-07
1978,1.85e-07
1979,2.74e-07
1980,3.28e-07
1981,3.15e-07
1982,3.45e-07
1983,3.15e-07
1984,3.82e-07
1985,3.5899999999999997e-07
1986,3.1599999999999997e-07
1987,3.6900000000000004e-07
1988,4.35e-07
1989,4.81e-07
1990,5.45e-07
1991,5.98e-07
1992,9.16e-07
1993,1.46e-06
1994,1.8e-06
1995,2.39e-06
1996,2.94e-06
1997,3.64e-06
1998,4.26e-06
1999,3.5e-06
2000,3.85e-06
2001,3.82e-06
2002,3.11e-06
2003,3.65e-06
2004,4.3899999999999995e-06
2005,4.32e-06
2006,5.0099999999999995e-06
2007,5.07e-06
2008,4.35e-06
2009,3.77e-06
2010,4.04e-06
2011,3.42e-06
2012,3.3999999999999996e-06
2013,4.309999999999999e-06
2014,3.68e-06
2015,5.199999999999999e-06
2016,5.7000000000000005e-06
2017,5.19e-06
2018,4.45e-06