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
1921,1.34e-13
1922,4.98e-13
1923,1.03e-12
1924,1.6899999999999999e-12
1925,2.3899999999999997e-12
1926,3.1e-12
1927,3.75e-12
1928,4.29e-12
1929,4.6500000000000006e-12
1930,4.79e-12
1931,4.68e-12
1932,4.39e-12
1933,3.95e-12
1934,3.43e-12
1935,2.8499999999999998e-12
1936,2.28e-12
1937,1.76e-12
1938,1.32e-12
1939,1.03e-12
1940,9.19e-13
1941,9.38e-13
1942,9.9e-13
1943,1.07e-12
1944,1.18e-12
1945,1.31e-12
1946,1.4499999999999999e-12
1947,1.61e-12
1948,1.78e-12
1949,1.95e-12
1950,2.1200000000000003e-12
1951,2.29e-12
1952,2.4899999999999997e-12
1953,2.72e-12
1954,2.9600000000000003e-12
1955,3.22e-12
1956,3.51e-12
1957,3.8199999999999995e-12
1958,4.15e-12
1959,4.5e-12
1960,4.87e-12
1961,5.2899999999999995e-12
1962,5.79e-12
1963,6.349999999999999e-12
1964,6.99e-12
1965,7.68e-12
1966,8.44e-12
1967,9.25e-12
1968,1.01e-11
1969,1.0999999999999999e-11
1970,1.0999999999999999e-11
1971,2.81e-11
1972,7.18e-11
1973,1.84e-10
1974,4.7e-10
1975,1.2e-09
1976,3.07e-09
1977,7.859999999999999e-09
1978,2.01e-08
1979,5.1400000000000004e-08
1980,1.3200000000000002e-07
1981,3.37e-07
1982,8.61e-07
1983,2.2e-06
1984,5.6299999999999995e-06
1985,1.44e-05
1986,3.68e-05
1987,9.42e-05
1988,0.000241
1989,0.000617
1990,0.00147
1991,0.0032400000000000003
1992,0.00534
1993,0.026
1994,0.0703
1995,0.172
1996,0.274
1997,0.37
1998,0.444
1999,0.616
2000,1.07
2001,1.57
2002,2.12
2003,2.69
2004,3.16
2005,3.87
2006,4.61
2007,5.08
2008,5.57
2009,4.74
2010,6.2
2011,6.76
2012,7.05
2013,7.48
2014,8.19
2015,8.36
2016,5.92
2017,6.04
2018,4.17
