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
1921,9.27e-11
1922,3.44e-10
1923,7.15e-10
1924,1.17e-09
1925,1.66e-09
1926,2.1500000000000002e-09
1927,2.6e-09
1928,2.97e-09
1929,3.22e-09
1930,3.31e-09
1931,3.24e-09
1932,3.0299999999999997e-09
1933,2.7300000000000003e-09
1934,2.3700000000000003e-09
1935,1.97e-09
1936,1.58e-09
1937,1.2100000000000002e-09
1938,9.139999999999999e-10
1939,7.109999999999999e-10
1940,6.360000000000001e-10
1941,6.479999999999999e-10
1942,6.85e-10
1943,7.419999999999999e-10
1944,8.16e-10
1945,9.05e-10
1946,1.01e-09
1947,1.12e-09
1948,1.23e-09
1949,1.35e-09
1950,1.46e-09
1951,1.59e-09
1952,1.72e-09
1953,1.88e-09
1954,2.0499999999999997e-09
1955,2.23e-09
1956,2.43e-09
1957,2.64e-09
1958,2.8700000000000002e-09
1959,3.11e-09
1960,3.3699999999999997e-09
1961,3.66e-09
1962,4.01e-09
1963,4.4000000000000005e-09
1964,4.840000000000001e-09
1965,5.32e-09
1966,5.85e-09
1967,6.4200000000000006e-09
1968,7.019999999999999e-09
1969,7.659999999999999e-09
1970,7.62e-09
1971,1.3699999999999999e-08
1972,2.4499999999999998e-08
1973,4.4e-08
1974,7.89e-08
1975,1.41e-07
1976,2.5399999999999997e-07
1977,4.55e-07
1978,8.16e-07
1979,1.46e-06
1980,2.62e-06
1981,4.71e-06
1982,8.439999999999999e-06
1983,1.5100000000000001e-05
1984,2.7099999999999998e-05
1985,4.87e-05
1986,8.730000000000001e-05
1987,0.000157
1988,0.00028100000000000005
1989,0.000504
1990,0.00033600000000000004
1991,0.000809
1992,0.00188
1993,0.00645
1994,0.00976
1995,0.016399999999999998
1996,0.0214
1997,0.0258
1998,0.0322
1999,0.040799999999999996
2000,0.055
2001,0.07809999999999999
2002,0.101
2003,0.137
2004,0.195
2005,0.229
2006,0.264
2007,0.3
2008,0.337
2009,0.372
2010,0.438
2011,0.46
2012,0.468
2013,0.489
2014,0.469
2015,0.425
2016,0.487
2017,0.552
2018,0.74