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
1921,4.36e-11
1922,1.6199999999999998e-10
1923,3.36e-10
1924,5.48e-10
1925,7.78e-10
1926,1.01e-09
1927,1.22e-09
1928,1.39e-09
1929,1.51e-09
1930,1.5600000000000002e-09
1931,1.5200000000000001e-09
1932,1.43e-09
1933,1.2800000000000001e-09
1934,1.1099999999999999e-09
1935,9.27e-10
1936,7.41e-10
1937,5.700000000000001e-10
1938,4.2899999999999997e-10
1939,3.34e-10
1940,2.99e-10
1941,3.98e-08
1942,1.5e-07
1943,3.19e-07
1944,5.33e-07
1945,7.799999999999999e-07
1946,1.05e-06
1947,1.33e-06
1948,1.6000000000000001e-06
1949,1.85e-06
1950,2.08e-06
1951,2.29e-06
1952,2.5e-06
1953,2.7100000000000003e-06
1954,2.92e-06
1955,3.13e-06
1956,3.33e-06
1957,3.54e-06
1958,3.7499999999999997e-06
1959,3.96e-06
1960,4.17e-06
1961,4.36e-06
1962,4.54e-06
1963,4.69e-06
1964,4.85e-06
1965,5.0099999999999995e-06
1966,5.19e-06
1967,5.39e-06
1968,5.64e-06
1969,5.92e-06
1970,6.27e-06
1971,6.9300000000000006e-06
1972,8.1e-06
1973,9.69e-06
1974,1.1599999999999999e-05
1975,1.38e-05
1976,1.61e-05
1977,1.85e-05
1978,2.0799999999999997e-05
1979,2.3e-05
1980,2.5e-05
1981,2.7099999999999998e-05
1982,2.94e-05
1983,3.1899999999999996e-05
1984,3.44e-05
1985,3.68e-05
1986,3.9e-05
1987,4.1e-05
1988,4.25e-05
1989,4.35e-05
1990,4.39e-05
1991,4.4e-05
1992,4.4e-05
1993,4.41e-05
1994,4.43e-05
1995,4.4699999999999996e-05
1996,4.53e-05
1997,4.61e-05
1998,4.6899999999999995e-05
1999,4.8e-05
2000,4.9000000000000005e-05
2001,0.0465
2002,0.0847
2003,0.126
2004,0.172
2005,0.247
2006,0.279
2007,0.368
2008,0.468
2009,0.547
2010,0.138
2011,0.238
2012,0.355
2013,0.208
2014,0.411
2015,0.435
2016,0.459
2017,0.483
2018,0.507