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
1921,1.73e-08
1922,6.44e-08
1923,1.34e-07
1924,2.1800000000000002e-07
1925,3.1e-07
1926,4.01e-07
1927,4.85e-07
1928,5.550000000000001e-07
1929,6.02e-07
1930,6.19e-07
1931,6.049999999999999e-07
1932,5.67e-07
1933,5.11e-07
1934,4.43e-07
1935,3.6900000000000004e-07
1936,2.9500000000000003e-07
1937,2.2699999999999998e-07
1938,1.71e-07
1939,1.33e-07
1940,1.1900000000000001e-07
1941,1.21e-07
1942,1.2799999999999998e-07
1943,1.39e-07
1944,1.53e-07
1945,1.69e-07
1946,1.88e-07
1947,2.0799999999999998e-07
1948,2.3e-07
1949,2.52e-07
1950,2.74e-07
1951,2.97e-07
1952,3.22e-07
1953,3.51e-07
1954,3.82e-07
1955,4.17e-07
1956,4.5399999999999996e-07
1957,4.93e-07
1958,5.36e-07
1959,5.820000000000001e-07
1960,6.3e-07
1961,6.84e-07
1962,7.489999999999999e-07
1963,8.22e-07
1964,9.05e-07
1965,9.959999999999999e-07
1966,1.09e-06
1967,1.2e-06
1968,1.31e-06
1969,1.43e-06
1970,1.42e-06
1971,9.59e-07
1972,1.9200000000000003e-06
1973,5.26e-06
1974,7.66e-06
1975,1.01e-05
1976,1.3899999999999999e-05
1977,1.49e-05
1978,1.96e-05
1979,2.68e-05
1980,3.26e-05
1981,3.37e-05
1982,3.57e-05
1983,4.5400000000000006e-05
1984,6.63e-05
1985,5.58e-05
1986,6.97e-05
1987,8.71e-05
1988,0.000123
1989,0.00013700000000000002
1990,0.00013900000000000002
1991,0.000157
1992,0.000182
1993,0.000373
1994,0.0006889999999999999
1995,0.00135
1996,0.00227
1997,0.00299
1998,0.0038900000000000002
1999,0.0054
2000,0.00747
2001,0.0105
2002,0.0136
2003,0.0165
2004,0.02
2005,0.0233
2006,0.0268
2007,0.03
2008,0.033299999999999996
2009,0.0366
2010,0.0399
2011,0.0389
2012,0.037899999999999996
2013,0.0458
2014,0.048600000000000004
2015,0.0515
2016,0.054299999999999994
2017,0.0572
2018,0.06