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
1960,8.890000000000002e-24
1961,1.59e-09
1962,3.19e-09
1963,4.78e-09
1964,6.37e-09
1965,7.96e-09
1966,9.56e-09
1967,1.11e-08
1968,1.27e-08
1969,1.43e-08
1970,1.59e-08
1971,1.7499999999999998e-08
1972,1.91e-08
1973,2.0699999999999997e-08
1974,2.23e-08
1975,2.3900000000000002e-08
1976,2.55e-08
1977,2.71e-08
1978,2.87e-08
1979,3.03e-08
1980,3.19e-08
1981,3.34e-08
1982,3.4999999999999996e-08
1983,3.6600000000000003e-08
1984,3.82e-08
1985,3.98e-08
1986,4.1399999999999994e-08
1987,4.3e-08
1988,4.46e-08
1989,4.62e-08
1990,4.7800000000000005e-08
1991,4.94e-08
1992,5.1e-08
1993,5.2599999999999995e-08
1994,5.41e-08
1995,5.5699999999999996e-08
1996,5.73e-08
1997,5.8900000000000005e-08
1998,6.05e-08
1999,6.210000000000001e-08
2000,6.370000000000001e-08
2001,6.53e-08
2002,6.69e-08
2003,6.85e-08
2004,7.01e-08
2005,7.17e-08
2006,7.33e-08
2007,7.49e-08
2008,3.9e-08
2009,3.3000000000000004e-08
2010,7.7e-08
2011,1.44e-07
2012,6.5e-08
2013,7.220000000000001e-08
2014,4.01e-08
2015,4.94e-08
2016,4.16e-08
2017,3.65e-08
2018,3.75e-08