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
1961,9.999999999999999e-11
1962,1.9999999999999998e-10
1963,3e-10
1964,3.9999999999999996e-10
1965,4.999999999999999e-10
1966,6e-10
1967,7e-10
1968,7.999999999999999e-10
1969,9e-10
1970,9.999999999999999e-10
1971,1.1000000000000001e-09
1972,1.2e-09
1973,1.3e-09
1974,1.4e-09
1975,1.5e-09
1976,1.5999999999999999e-09
1977,1.7000000000000001e-09
1978,1.8e-09
1979,1.9e-09
1980,1.9999999999999997e-09
1981,2.0999999999999998e-09
1982,2.2000000000000003e-09
1983,2.3e-09
1984,2.4e-09
1985,2.5e-09
1986,2.6e-09
1987,2.7e-09
1988,2.8e-09
1989,2.9000000000000003e-09
1990,3e-09
1991,3.1e-09
1992,3.1999999999999997e-09
1993,3.3e-09
1994,3.4000000000000003e-09
1995,3.5e-09
1996,3.6e-09
1997,1.9999999999999997e-09
1998,1.9999999999999997e-09
1999,3.9999999999999994e-09
2000,2.2e-08
2001,3.9999999999999994e-09
2002,1.9999999999999997e-09
2003,6.35e-09
2004,6.58e-09
2005,6.82e-09
2006,7.05e-09
2007,7.28e-09
2008,7.52e-09
2009,7.75e-09
2010,7.98e-09
2011,8.209999999999999e-09
2012,8.450000000000001e-09
2013,8.68e-09
2014,8.91e-09
2015,9.150000000000001e-09
2016,9.38e-09
2017,9.61e-09
2018,9.85e-09