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
1961,2.54e-10
1962,5.07e-10
1963,7.61e-10
1964,1.01e-09
1965,1.27e-09
1966,1.5200000000000001e-09
1967,1.77e-09
1968,2.0300000000000002e-09
1969,2.2800000000000004e-09
1970,2.54e-09
1971,2.79e-09
1972,3.0400000000000003e-09
1973,3.3e-09
1974,3.55e-09
1975,3.8e-09
1976,4.0600000000000005e-09
1977,4.31e-09
1978,4.560000000000001e-09
1979,4.8199999999999995e-09
1980,4.8199999999999995e-09
1981,5.5e-09
1982,6.19e-09
1983,1.17e-08
1984,1.51e-08
1985,1.5699999999999998e-08
1986,2.1e-08
1987,2.62e-08
1988,3.67e-08
1989,4.1900000000000005e-08
1990,4.0000000000000003e-07
1991,4.0000000000000003e-07
1992,4.0000000000000003e-07
1993,4.0000000000000003e-07
1994,4.0000000000000003e-07
1995,3.08e-07
1996,4.2e-07
1997,4.57e-07
1998,4.41e-07
1999,3.89e-07
2000,5.180000000000001e-07
2001,4.55e-07
2002,7.1e-07
2003,1.13e-06
2004,1.33e-06
2005,2.0100000000000002e-06
2006,1.62e-06
2007,6.99e-07
2008,1.72e-06
2009,1.6900000000000001e-06
2010,3.5699999999999997e-06
2011,3.56e-06
2012,2.0500000000000003e-06
2013,9.32e-07
2014,1.1800000000000001e-06
2015,6.91e-07
2016,6.48e-07
2017,6.69e-07
2018,6.83e-07