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
1921,6.49e-09
1922,9.19e-09
1923,1.32e-08
1924,1.81e-08
1925,2.37e-08
1926,2.96e-08
1927,3.56e-08
1928,4.13e-08
1929,4.65e-08
1930,5.09e-08
1931,5.46e-08
1932,5.8100000000000004e-08
1933,6.160000000000001e-08
1934,6.49e-08
1935,6.82e-08
1936,7.14e-08
1937,7.47e-08
1938,7.8e-08
1939,8.13e-08
1940,8.48e-08
1941,8.84e-08
1942,9.21e-08
1943,9.59e-08
1944,9.99e-08
1945,1.0399999999999999e-07
1946,1.0900000000000001e-07
1947,1.1299999999999999e-07
1948,1.18e-07
1949,1.24e-07
1950,1.29e-07
1951,1.36e-07
1952,1.42e-07
1953,1.5e-07
1954,1.5799999999999999e-07
1955,1.66e-07
1956,1.74e-07
1957,1.83e-07
1958,1.93e-07
1959,2.02e-07
1960,2.12e-07
1961,2.22e-07
1962,2.34e-07
1963,2.48e-07
1964,2.61e-07
1965,2.75e-07
1966,2.8899999999999995e-07
1967,3.0200000000000003e-07
1968,3.14e-07
1969,3.24e-07
1970,3.2499999999999996e-07
1971,0.00101
1972,0.0020099999999999996
1973,0.00507
1974,0.00757
1975,0.00968
1976,0.0135
1977,0.0145
1978,0.019399999999999997
1979,0.026199999999999998
1980,0.032
1981,0.033
1982,0.0347
1983,0.0439
1984,0.06409999999999999
1985,0.053399999999999996
1986,0.06620000000000001
1987,0.0819
1988,0.114
1989,0.122
1990,0.125
1991,0.159
1992,0.182
1993,0.261
1994,0.375
1995,0.672
1996,1.08
1997,1.94
1998,1.89
1999,2.72
2000,4.15
2001,3.66
2002,4.33
2003,4.49
2004,4.59
2005,3.21
2006,3.9
2007,3.85
2008,3.8
2009,2.52
2010,2.66
2011,4.03
2012,4.13
2013,4.23
2014,4.32
2015,4.42
2016,4.52
2017,4.62
2018,4.71