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
1971,9.079999999999999e-07
1972,1.88e-06
1973,3.53e-06
1974,5.1e-06
1975,8.74e-06
1976,1.18e-05
1977,1.3899999999999999e-05
1978,1.55e-05
1979,1.84e-05
1980,2.07e-05
1981,2.04e-05
1982,2.16e-05
1983,2.2499999999999998e-05
1984,2.86e-05
1985,3.4500000000000005e-05
1986,3.95e-05
1987,4.49e-05
1988,4.7600000000000005e-05
1989,5.63e-05
1990,5.98e-05
1991,6.03e-05
1992,5.86e-05
1993,5.15e-05
1994,4.4999999999999996e-05
1995,3.85e-05
1996,3.43e-05
1997,2.9e-05
1998,2.36e-05
1999,2.1499999999999997e-05
2000,1.9e-05
2001,2.36e-05
2002,2.86e-05
2003,3.39e-05
2004,3.99e-05
2005,4.62e-05
2006,4.87e-05
2007,5.1e-05
2008,5.33e-05
2009,4.5900000000000004e-05
2010,4.72e-05
2011,4.85e-05
2012,4.98e-05
2013,5.11e-05
2014,5.23e-05
2015,5.36e-05
2016,5.49e-05
2017,5.62e-05
2018,5.74e-05