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
1941,1.62e-08
1942,6.15e-08
1943,1.3100000000000002e-07
1944,2.1900000000000002e-07
1945,3.2e-07
1946,4.3e-07
1947,5.44e-07
1948,6.56e-07
1949,7.61e-07
1950,8.54e-07
1951,9.4e-07
1952,1.03e-06
1953,1.1100000000000002e-06
1954,1.2e-06
1955,1.28e-06
1956,1.37e-06
1957,1.4499999999999999e-06
1958,1.5399999999999999e-06
1959,1.62e-06
1960,1.71e-06
1961,1.79e-06
1962,1.8600000000000002e-06
1963,1.93e-06
1964,1.99e-06
1965,2.0500000000000003e-06
1966,2.13e-06
1967,2.21e-06
1968,2.31e-06
1969,2.43e-06
1970,2.47e-06
1971,2.52e-06
1972,2.57e-06
1973,2.62e-06
1974,2.6700000000000003e-06
1975,2.7299999999999997e-06
1976,2.78e-06
1977,2.84e-06
1978,2.8999999999999998e-06
1979,2.96e-06
1980,3.0200000000000003e-06
1981,3.0799999999999997e-06
1982,3.14e-06
1983,3.21e-06
1984,3.27e-06
1985,3.34e-06
1986,3.41e-06
1987,3.48e-06
1988,3.5500000000000003e-06
1989,3.62e-06
1990,3.6900000000000002e-06
1991,3.6900000000000002e-06
1992,3.7499999999999997e-06
1993,3.8e-06
1994,3.8400000000000005e-06
1995,3.89e-06
1996,4.309999999999999e-06
1997,4.219999999999999e-06
1998,4.17e-06
1999,4.21e-06
2000,4.75e-06
2001,4.33e-06
2002,5.32e-06
2003,6.349999999999999e-06
2004,5.29e-06
2005,4.9100000000000004e-06
2006,4.610000000000001e-06
2007,4.11e-06
2008,3.89e-06
2009,3.910000000000001e-06
2010,3.63e-06
2011,3.89e-06
2012,4.05e-06
2013,3.64e-06
2014,3.5e-06
2015,3.4299999999999998e-06
2016,3.45e-06
2017,3.25e-06
2018,3.09e-06