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
1921,1.83e-07
1922,6.79e-07
1923,1.41e-06
1924,2.3e-06
1925,3.2599999999999997e-06
1926,4.23e-06
1927,5.12e-06
1928,5.85e-06
1929,6.34e-06
1930,6.519999999999999e-06
1931,6.38e-06
1932,5.98e-06
1933,5.39e-06
1934,4.669999999999999e-06
1935,3.89e-06
1936,3.11e-06
1937,2.39e-06
1938,1.8e-06
1939,1.4e-06
1940,1.25e-06
1941,1.28e-06
1942,1.35e-06
1943,1.46e-06
1944,1.61e-06
1945,1.78e-06
1946,1.98e-06
1947,2.2e-06
1948,2.4199999999999997e-06
1949,2.65e-06
1950,2.8800000000000004e-06
1951,3.13e-06
1952,3.3999999999999996e-06
1953,3.7e-06
1954,4.0299999999999995e-06
1955,4.3899999999999995e-06
1956,4.78e-06
1957,5.199999999999999e-06
1958,5.649999999999999e-06
1959,6.13e-06
1960,6.64e-06
1961,7.2100000000000004e-06
1962,7.889999999999999e-06
1963,8.66e-06
1964,9.52e-06
1965,1.0500000000000001e-05
1966,1.15e-05
1967,1.26e-05
1968,1.38e-05
1969,1.4999999999999999e-05
1970,1.63e-05
1971,1.7899999999999998e-05
1972,1.9699999999999998e-05
1973,2.19e-05
1974,2.4299999999999998e-05
1975,2.68e-05
1976,2.94e-05
1977,3.2e-05
1978,3.4500000000000005e-05
1979,3.7e-05
1980,3.93e-05
1981,4.14e-05
1982,4.35e-05
1983,4.55e-05
1984,4.75e-05
1985,4.9500000000000004e-05
1986,5.16e-05
1987,5.38e-05
1988,5.62e-05
1989,5.8700000000000004e-05
1990,5.86e-05
1991,0.000179
1992,0.000421
1993,0.0018
1994,0.00456
1995,0.009859999999999999
1996,0.0166
1997,0.0238
1998,0.033
1999,0.0442
2000,0.0565
2001,0.071
2002,0.0872
2003,0.0993
2004,0.113
2005,0.131
2006,0.147
2007,0.162
2008,0.177
2009,0.192
2010,0.2
2011,0.233
2012,0.277
2013,0.301
2014,0.324
2015,0.348
2016,0.368
2017,0.44
2018,0.49