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
1921,5.25e-08
1922,1.9499999999999999e-07
1923,4.05e-07
1924,6.6e-07
1925,9.37e-07
1926,1.2099999999999998e-06
1927,1.47e-06
1928,1.68e-06
1929,1.82e-06
1930,1.8699999999999999e-06
1931,1.83e-06
1932,1.72e-06
1933,1.55e-06
1934,1.34e-06
1935,1.1199999999999999e-06
1936,8.930000000000001e-07
1937,6.87e-07
1938,5.17e-07
1939,4.02e-07
1940,3.6000000000000005e-07
1941,3.67e-07
1942,3.88e-07
1943,4.2e-07
1944,4.6200000000000003e-07
1945,5.13e-07
1946,5.699999999999999e-07
1947,6.310000000000001e-07
1948,6.96e-07
1949,7.63e-07
1950,8.29e-07
1951,8.98e-07
1952,9.76e-07
1953,1.06e-06
1954,1.16e-06
1955,1.26e-06
1956,1.37e-06
1957,1.49e-06
1958,1.62e-06
1959,1.76e-06
1960,1.91e-06
1961,2.0699999999999997e-06
1962,2.27e-06
1963,2.49e-06
1964,2.7299999999999997e-06
1965,3.01e-06
1966,3.3e-06
1967,3.62e-06
1968,3.96e-06
1969,4.32e-06
1970,4.69e-06
1971,5.13e-06
1972,5.67e-06
1973,6.29e-06
1974,6.969999999999999e-06
1975,7.69e-06
1976,8.43e-06
1977,9.19e-06
1978,9.92e-06
1979,1.06e-05
1980,1.1299999999999999e-05
1981,1.1900000000000001e-05
1982,1.25e-05
1983,1.31e-05
1984,1.3599999999999999e-05
1985,1.4200000000000001e-05
1986,1.48e-05
1987,1.55e-05
1988,1.61e-05
1989,1.6899999999999997e-05
1990,1.68e-05
1991,5.36e-05
1992,0.000127
1993,0.000414
1994,0.000652
1995,0.00124
1996,0.00225
1997,0.0035499999999999998
1998,0.00484
1999,0.00666
2000,0.00898
2001,0.0121
2002,0.0144
2003,0.019100000000000002
2004,0.0251
2005,0.027600000000000003
2006,0.032299999999999995
2007,0.0363
2008,0.040299999999999996
2009,0.0445
2010,0.0487
2011,0.0497
2012,0.053200000000000004
2013,0.0567
2014,0.060200000000000004
2015,0.0637
2016,0.06720000000000001
2017,0.0707
2018,0.0742