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
1921,1.94e-12
1922,7.19e-12
1923,1.4899999999999998e-11
1924,2.43e-11
1925,3.46e-11
1926,4.4799999999999997e-11
1927,5.4200000000000004e-11
1928,6.2e-11
1929,6.720000000000001e-11
1930,6.92e-11
1931,6.759999999999999e-11
1932,6.33e-11
1933,5.71e-11
1934,4.95e-11
1935,4.12e-11
1936,3.29e-11
1937,2.5300000000000002e-11
1938,1.9099999999999997e-11
1939,1.48e-11
1940,1.33e-11
1941,1.35e-11
1942,1.43e-11
1943,1.55e-11
1944,1.7e-11
1945,1.89e-11
1946,2.1e-11
1947,2.33e-11
1948,2.57e-11
1949,2.81e-11
1950,3.06e-11
1951,3.31e-11
1952,3.6e-11
1953,3.92e-11
1954,4.27e-11
1955,4.65e-11
1956,5.07e-11
1957,5.5099999999999996e-11
1958,5.99e-11
1959,6.5e-11
1960,7.03e-11
1961,7.639999999999999e-11
1962,8.359999999999999e-11
1963,9.169999999999999e-11
1964,1.01e-10
1965,1.11e-10
1966,1.2200000000000002e-10
1967,1.34e-10
1968,1.46e-10
1969,1.5900000000000002e-10
1970,1.5800000000000002e-10
1971,3.9000000000000005e-10
1972,9.59e-10
1973,2.3599999999999997e-09
1974,5.800000000000001e-09
1975,1.43e-08
1976,3.5099999999999997e-08
1977,8.64e-08
1978,2.13e-07
1979,5.23e-07
1980,1.29e-06
1981,3.1600000000000002e-06
1982,7.78e-06
1983,1.91e-05
1984,4.71e-05
1985,0.000116
1986,0.000285
1987,0.0007009999999999999
1988,0.00172
1989,0.00424
1990,0.004940000000000001
1991,0.013099999999999999
1992,0.0318
1993,0.0314
1994,0.0317
1995,0.0329
1996,0.0299
1997,0.0345
1998,0.031100000000000003
1999,0.0314
2000,0.046200000000000005
2001,0.0628
2002,0.07859999999999999
2003,0.0992
2004,0.122
2005,0.146
2006,0.169
2007,0.196
2008,0.224
2009,0.244
2010,0.258
2011,0.27
2012,0.295
2013,0.316
2014,0.334
2015,0.344
2016,0.351
2017,0.339
2018,0.293