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
1921,1.75e-07
1922,6.49e-07
1923,1.35e-06
1924,2.2e-06
1925,3.1199999999999998e-06
1926,4.04e-06
1927,4.890000000000001e-06
1928,5.590000000000001e-06
1929,6.0600000000000004e-06
1930,6.2399999999999995e-06
1931,6.1e-06
1932,5.7099999999999995e-06
1933,5.15e-06
1934,4.4600000000000005e-06
1935,3.7200000000000004e-06
1936,2.97e-06
1937,2.29e-06
1938,1.72e-06
1939,1.34e-06
1940,1.2e-06
1941,1.22e-06
1942,1.29e-06
1943,1.4e-06
1944,1.5399999999999999e-06
1945,1.71e-06
1946,1.89e-06
1947,2.1e-06
1948,2.32e-06
1949,2.5400000000000002e-06
1950,2.76e-06
1951,2.99e-06
1952,3.25e-06
1953,3.54e-06
1954,3.85e-06
1955,4.2e-06
1956,4.57e-06
1957,4.97e-06
1958,5.4e-06
1959,5.86e-06
1960,6.34e-06
1961,6.89e-06
1962,7.54e-06
1963,8.279999999999999e-06
1964,9.100000000000001e-06
1965,1e-05
1966,1.1e-05
1967,1.2e-05
1968,1.32e-05
1969,1.44e-05
1970,1.56e-05
1971,1.7100000000000002e-05
1972,1.89e-05
1973,2.09e-05
1974,2.3199999999999998e-05
1975,2.5600000000000002e-05
1976,2.81e-05
1977,3.06e-05
1978,3.3e-05
1979,3.54e-05
1980,3.75e-05
1981,3.96e-05
1982,4.15e-05
1983,4.35e-05
1984,4.5400000000000006e-05
1985,4.7300000000000005e-05
1986,4.94e-05
1987,5.15e-05
1988,5.37e-05
1989,5.6099999999999995e-05
1990,5.6e-05
1991,0.00013900000000000002
1992,0.00031800000000000003
1993,0.00121
1994,0.00264
1995,0.00554
1996,0.0166
1997,0.0282
1998,0.041
1999,0.0611
2000,0.113
2001,0.144
2002,0.179
2003,0.217
2004,0.256
2005,0.294
2006,0.336
2007,0.374
2008,0.412
2009,0.451
2010,0.49
2011,0.513
2012,0.549
2013,0.585
2014,0.62
2015,0.656
2016,0.692
2017,0.727
2018,0.763