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
1921,3.97e-10
1922,1.4699999999999999e-09
1923,3.0599999999999998e-09
1924,4.9899999999999995e-09
1925,7.08e-09
1926,9.18e-09
1927,1.11e-08
1928,1.27e-08
1929,1.38e-08
1930,1.42e-08
1931,1.38e-08
1932,1.2999999999999999e-08
1933,1.17e-08
1934,1.01e-08
1935,8.44e-09
1936,6.75e-09
1937,5.1900000000000005e-09
1938,3.91e-09
1939,3.0400000000000003e-09
1940,2.7199999999999997e-09
1941,2.77e-09
1942,2.93e-09
1943,3.17e-09
1944,3.49e-09
1945,3.87e-09
1946,4.3000000000000005e-09
1947,4.77e-09
1948,5.26e-09
1949,5.76e-09
1950,6.26e-09
1951,6.79e-09
1952,7.38e-09
1953,8.03e-09
1954,8.749999999999999e-09
1955,9.53e-09
1956,1.04e-08
1957,1.13e-08
1958,1.2300000000000001e-08
1959,1.33e-08
1960,1.44e-08
1961,1.5699999999999998e-08
1962,1.7099999999999998e-08
1963,1.88e-08
1964,2.0699999999999997e-08
1965,2.2699999999999998e-08
1966,2.5000000000000002e-08
1967,2.7399999999999997e-08
1968,2.9899999999999996e-08
1969,3.26e-08
1970,3.55e-08
1971,3.8800000000000003e-08
1972,4.29e-08
1973,4.75e-08
1974,5.27e-08
1975,5.8100000000000004e-08
1976,6.370000000000001e-08
1977,6.940000000000001e-08
1978,7.5e-08
1979,8.03e-08
1980,8.04e-08
1981,1.7699999999999998e-07
1982,3.88e-07
1983,8.53e-07
1984,1.8699999999999999e-06
1985,4.11e-06
1986,9.04e-06
1987,1.9900000000000003e-05
1988,4.36e-05
1989,9.58e-05
1990,0.000231
1991,0.000365
1992,0.000647
1993,0.00226
1994,0.00514
1995,0.0107
1996,0.0179
1997,0.0242
1998,0.0334
1999,0.045200000000000004
2000,0.0577
2001,0.0689
2002,0.0803
2003,0.0911
2004,0.103
2005,0.115
2006,0.129
2007,0.141
2008,0.152
2009,0.161
2010,0.166
2011,0.175
2012,0.183
2013,0.194
2014,0.207
2015,0.21
2016,0.205
2017,0.216
2018,0.21