year,IPC2
1850,2.6399999999999997e-10
1851,2.6399999999999997e-10
1852,2.6399999999999997e-10
1853,2.6399999999999997e-10
1854,2.6399999999999997e-10
1855,2.6399999999999997e-10
1856,2.6399999999999997e-10
1857,2.6399999999999997e-10
1858,2.6399999999999997e-10
1859,2.6399999999999997e-10
1860,2.6399999999999997e-10
1861,2.6399999999999997e-10
1862,2.6399999999999997e-10
1863,2.6399999999999997e-10
1864,2.6399999999999997e-10
1865,2.6399999999999997e-10
1866,2.6399999999999997e-10
1867,2.6399999999999997e-10
1868,2.6399999999999997e-10
1869,2.6399999999999997e-10
1870,2.6399999999999997e-10
1871,2.6399999999999997e-10
1872,2.6399999999999997e-10
1873,2.6399999999999997e-10
1874,2.6399999999999997e-10
1875,2.6399999999999997e-10
1876,2.6399999999999997e-10
1877,2.6399999999999997e-10
1878,2.6399999999999997e-10
1879,2.6399999999999997e-10
1880,2.6399999999999997e-10
1881,2.6399999999999997e-10
1882,2.6399999999999997e-10
1883,2.6399999999999997e-10
1884,2.6399999999999997e-10
1885,2.6399999999999997e-10
1886,2.6399999999999997e-10
1887,2.6399999999999997e-10
1888,2.6399999999999997e-10
1889,2.6399999999999997e-10
1890,2.6399999999999997e-10
1891,3.02e-10
1892,4.07e-10
1893,5.66e-10
1894,7.659999999999999e-10
1895,9.93e-10
1896,1.24e-09
1897,1.48e-09
1898,1.7099999999999999e-09
1899,1.92e-09
1900,2.09e-09
1901,2.23e-09
1902,2.35e-09
1903,2.47e-09
1904,2.5799999999999998e-09
1905,2.69e-09
1906,2.8e-09
1907,2.91e-09
1908,3.0299999999999997e-09
1909,3.17e-09
1910,3.31e-09
1911,3.47e-09
1912,3.64e-09
1913,3.81e-09
1914,3.9999999999999994e-09
1915,4.1999999999999996e-09
1916,4.41e-09
1917,4.63e-09
1918,4.86e-09
1919,5.1e-09
1920,5.35e-09
1921,4.3100000000000003e-07
1922,1.59e-06
1923,3.29e-06
1924,5.35e-06
1925,7.6e-06
1926,9.849999999999999e-06
1927,1.1900000000000001e-05
1928,1.3599999999999999e-05
1929,1.48e-05
1930,1.52e-05
1931,1.49e-05
1932,1.3899999999999999e-05
1933,1.26e-05
1934,1.09e-05
1935,9.100000000000001e-06
1936,7.29e-06
1937,5.6299999999999995e-06
1938,4.26e-06
1939,3.33e-06
1940,2.99e-06
1941,1.25e-05
1942,3.91e-05
1943,7.98e-05
1944,0.000131
1945,0.000191
1946,0.000256
1947,0.000323
1948,0.000389
1949,0.000451
1950,0.000506
1951,0.0005560000000000001
1952,0.000607
1953,0.0006580000000000001
1954,0.000708
1955,0.000759
1956,0.0008100000000000001
1957,0.000861
1958,0.000912
1959,0.000964
1960,0.00101
1961,0.0011799999999999998
1962,0.00134
1963,0.0015
1964,0.00165
1965,0.00181
1966,0.00197
1967,0.00214
1968,0.00232
1969,0.0025099999999999996
1970,0.00261
1971,0.0256
1972,0.0471
1973,0.0836
1974,0.114
1975,0.185
1976,0.244
1977,0.277
1978,0.303
1979,0.351
1980,0.381
1981,0.382
1982,0.407
1983,0.438
1984,0.567
1985,0.668
1986,0.691
1987,0.715
1988,0.718
1989,0.768
1990,0.777
1991,0.845
1992,0.837
1993,0.843
1994,0.886
1995,1.14
1996,1.63
1997,2.63
1998,2.6
1999,3.63
2000,5.15
2001,4.72
2002,5.85
2003,6.66
2004,7.04
2005,6.53
2006,7.4
2007,7.81
2008,8.23
2009,6.78
2010,7.33
2011,8.87
2012,9.27
2013,9.67
2014,10.1
2015,10.5
2016,10.9
2017,11.3
2018,11.7