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
1921,1.6e-07
1922,5.95e-07
1923,1.2299999999999999e-06
1924,2.0100000000000002e-06
1925,2.86e-06
1926,3.7e-06
1927,4.4799999999999995e-06
1928,5.12e-06
1929,5.56e-06
1930,5.72e-06
1931,5.590000000000001e-06
1932,5.24e-06
1933,4.7200000000000005e-06
1934,4.09e-06
1935,3.41e-06
1936,2.7200000000000002e-06
1937,2.1e-06
1938,1.5800000000000001e-06
1939,1.2299999999999999e-06
1940,1.1e-06
1941,1.1199999999999999e-06
1942,1.1800000000000001e-06
1943,1.28e-06
1944,1.41e-06
1945,1.5599999999999999e-06
1946,1.74e-06
1947,1.93e-06
1948,2.12e-06
1949,2.33e-06
1950,2.5300000000000003e-06
1951,2.74e-06
1952,2.98e-06
1953,3.24e-06
1954,3.53e-06
1955,3.85e-06
1956,4.1900000000000005e-06
1957,4.5599999999999995e-06
1958,4.95e-06
1959,5.369999999999999e-06
1960,5.819999999999999e-06
1961,6.3200000000000005e-06
1962,6.910000000000001e-06
1963,7.59e-06
1964,8.36e-06
1965,9.19e-06
1966,1.01e-05
1967,1.11e-05
1968,1.21e-05
1969,1.32e-05
1970,1.44e-05
1971,1.57e-05
1972,1.74e-05
1973,1.93e-05
1974,2.13e-05
1975,2.36e-05
1976,2.58e-05
1977,2.81e-05
1978,3.04e-05
1979,3.2500000000000004e-05
1980,3.4500000000000005e-05
1981,3.6400000000000004e-05
1982,3.82e-05
1983,4e-05
1984,4.18e-05
1985,4.36e-05
1986,4.5400000000000006e-05
1987,4.74e-05
1988,4.9500000000000004e-05
1989,5.17e-05
1990,5.16e-05
1991,0.000136
1992,0.000306
1993,0.0011200000000000001
1994,0.00242
1995,0.00504
1996,0.015
1997,0.0254
1998,0.0368
1999,0.054700000000000006
2000,0.101
2001,0.128
2002,0.158
2003,0.192
2004,0.226
2005,0.259
2006,0.295
2007,0.328
2008,0.361
2009,0.395
2010,0.43
2011,0.45
2012,0.482
2013,0.513
2014,0.544
2015,0.576
2016,0.607
2017,0.638
2018,0.669