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
1921,9.42e-08
1922,3.5e-07
1923,7.26e-07
1924,1.1800000000000001e-06
1925,1.68e-06
1926,2.18e-06
1927,2.64e-06
1928,3.01e-06
1929,3.27e-06
1930,3.36e-06
1931,3.29e-06
1932,3.0799999999999997e-06
1933,2.78e-06
1934,2.41e-06
1935,2e-06
1936,1.6000000000000001e-06
1937,1.2299999999999999e-06
1938,9.28e-07
1939,7.22e-07
1940,6.45e-07
1941,6.58e-07
1942,6.95e-07
1943,7.53e-07
1944,8.29e-07
1945,9.19e-07
1946,1.02e-06
1947,1.13e-06
1948,1.25e-06
1949,1.37e-06
1950,1.49e-06
1951,1.61e-06
1952,1.75e-06
1953,1.91e-06
1954,2.08e-06
1955,2.26e-06
1956,2.4599999999999997e-06
1957,2.68e-06
1958,2.9099999999999997e-06
1959,3.1600000000000002e-06
1960,3.42e-06
1961,3.7200000000000004e-06
1962,4.06e-06
1963,4.4600000000000005e-06
1964,4.9100000000000004e-06
1965,5.39e-06
1966,5.92e-06
1967,6.49e-06
1968,7.100000000000001e-06
1969,7.74e-06
1970,8.42e-06
1971,9.21e-06
1972,1.02e-05
1973,1.1299999999999999e-05
1974,1.25e-05
1975,1.38e-05
1976,1.5100000000000001e-05
1977,1.65e-05
1978,1.78e-05
1979,1.91e-05
1980,2.02e-05
1981,2.13e-05
1982,2.24e-05
1983,2.34e-05
1984,2.4500000000000003e-05
1985,2.55e-05
1986,2.66e-05
1987,2.7799999999999998e-05
1988,2.9e-05
1989,3.03e-05
1990,3.0200000000000002e-05
1991,7.290000000000001e-05
1992,0.000175
1993,0.000666
1994,0.00116
1995,0.00214
1996,0.0029500000000000004
1997,0.0030099999999999997
1998,0.00444
1999,0.00751
2000,0.0124
2001,0.0225
2002,0.0361
2003,0.0538
2004,0.0682
2005,0.0839
2006,0.0995
2007,0.114
2008,0.129
2009,0.145
2010,0.16
2011,0.16
2012,0.173
2013,0.185
2014,0.197
2015,0.209
2016,0.221
2017,0.234
2018,0.246