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
1921,1.47e-13
1922,5.46e-13
1923,1.13e-12
1924,1.85e-12
1925,2.62e-12
1926,3.3999999999999996e-12
1927,4.11e-12
1928,4.7e-12
1929,5.1000000000000005e-12
1930,5.25e-12
1931,5.13e-12
1932,4.81e-12
1933,4.3299999999999995e-12
1934,3.76e-12
1935,3.13e-12
1936,2.5000000000000003e-12
1937,1.92e-12
1938,1.4499999999999999e-12
1939,1.13e-12
1940,1.01e-12
1941,1.03e-12
1942,1.09e-12
1943,1.18e-12
1944,1.2900000000000002e-12
1945,1.43e-12
1946,1.59e-12
1947,1.7700000000000001e-12
1948,1.95e-12
1949,2.13e-12
1950,2.32e-12
1951,2.51e-12
1952,2.73e-12
1953,2.9800000000000002e-12
1954,3.24e-12
1955,3.53e-12
1956,3.85e-12
1957,4.18e-12
1958,4.54e-12
1959,4.93e-12
1960,5.34e-12
1961,5.7999999999999995e-12
1962,6.349999999999999e-12
1963,6.9699999999999996e-12
1964,7.67e-12
1965,8.44e-12
1966,9.269999999999999e-12
1967,1.0200000000000001e-11
1968,1.11e-11
1969,1.21e-11
1970,1.21e-11
1971,0.0252
1972,0.0442
1973,0.0708
1974,0.088
1975,0.148
1976,0.627
1977,0.978
1978,1.09
1979,1.13
1980,1.27
1981,1.44
1982,1.52
1983,1.53
1984,1.5
1985,1.66
1986,1.43
1987,1.72
1988,1.61
1989,1.62
1990,1.54
1991,1.57
1992,1.55
1993,1.53
1994,1.59
1995,1.46
1996,1.89
1997,1.56
1998,1.71
1999,1.77
2000,1.48
2001,1.53
2002,1.62
2003,1.67
2004,1.83
2005,2.09
2006,2.18
2007,2.27
2008,2.33
2009,2.41
2010,2.45
2011,2.48
2012,2.57
2013,2.65
2014,2.73
2015,2.81
2016,2.9
2017,2.98
2018,3.06