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
1921,6.99e-10
1922,2.6e-09
1923,5.4e-09
1924,8.790000000000001e-09
1925,1.2500000000000001e-08
1926,1.62e-08
1927,1.96e-08
1928,2.24e-08
1929,2.4300000000000003e-08
1930,2.5000000000000002e-08
1931,2.44e-08
1932,2.29e-08
1933,2.06e-08
1934,1.79e-08
1935,1.49e-08
1936,1.1899999999999999e-08
1937,9.16e-09
1938,6.89e-09
1939,5.3600000000000005e-09
1940,4.8e-09
1941,4.8899999999999995e-09
1942,5.169999999999999e-09
1943,5.6e-09
1944,6.16e-09
1945,6.83e-09
1946,7.59e-09
1947,8.41e-09
1948,9.28e-09
1949,1.02e-08
1950,1.1e-08
1951,1.2e-08
1952,1.2999999999999999e-08
1953,1.42e-08
1954,1.5400000000000002e-08
1955,1.6799999999999998e-08
1956,1.8300000000000002e-08
1957,1.99e-08
1958,2.16e-08
1959,2.35e-08
1960,2.54e-08
1961,2.76e-08
1962,3.02e-08
1963,3.31e-08
1964,3.6399999999999995e-08
1965,4.01e-08
1966,4.4e-08
1967,4.82e-08
1968,5.28e-08
1969,5.75e-08
1970,6.25e-08
1971,6.839999999999999e-08
1972,7.559999999999999e-08
1973,8.380000000000001e-08
1974,9.289999999999999e-08
1975,1.02e-07
1976,1.12e-07
1977,1.22e-07
1978,1.3200000000000002e-07
1979,1.42e-07
1980,1.42e-07
1981,3.2299999999999997e-07
1982,7.34e-07
1983,1.67e-06
1984,3.8e-06
1985,8.65e-06
1986,1.9699999999999998e-05
1987,4.48e-05
1988,0.000102
1989,0.000232
1990,0.00026700000000000004
1991,0.000928
1992,0.0020299999999999997
1993,0.00687
1994,0.0141
1995,0.032100000000000004
1996,0.055299999999999995
1997,0.07940000000000001
1998,0.116
1999,0.144
2000,0.186
2001,0.251
2002,0.332
2003,0.455
2004,0.585
2005,0.739
2006,0.831
2007,0.945
2008,1.06
2009,1.22
2010,1.48
2011,1.54
2012,1.77
2013,2.06
2014,2.33
2015,2.87
2016,3.66
2017,3.64
2018,2.89