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
1921,2.65e-07
1922,9.849999999999999e-07
1923,2.04e-06
1924,3.33e-06
1925,4.73e-06
1926,6.13e-06
1927,7.42e-06
1928,8.48e-06
1929,9.2e-06
1930,9.469999999999999e-06
1931,9.25e-06
1932,8.67e-06
1933,7.81e-06
1934,6.7699999999999996e-06
1935,5.64e-06
1936,4.51e-06
1937,3.47e-06
1938,2.61e-06
1939,2.03e-06
1940,1.82e-06
1941,1.85e-06
1942,1.96e-06
1943,2.12e-06
1944,2.33e-06
1945,2.5899999999999998e-06
1946,2.8800000000000004e-06
1947,3.19e-06
1948,3.52e-06
1949,3.85e-06
1950,4.18e-06
1951,4.54e-06
1952,4.93e-06
1953,5.369999999999999e-06
1954,5.85e-06
1955,6.37e-06
1956,6.94e-06
1957,7.5500000000000006e-06
1958,8.200000000000001e-06
1959,8.89e-06
1960,9.63e-06
1961,1.0500000000000001e-05
1962,1.1400000000000001e-05
1963,1.26e-05
1964,1.38e-05
1965,1.52e-05
1966,1.67e-05
1967,1.83e-05
1968,2e-05
1969,2.18e-05
1970,2.37e-05
1971,2.59e-05
1972,2.86e-05
1973,3.18e-05
1974,3.52e-05
1975,3.88e-05
1976,4.26e-05
1977,4.6399999999999996e-05
1978,5.01e-05
1979,5.37e-05
1980,5.7e-05
1981,6.0100000000000004e-05
1982,6.31e-05
1983,6.6e-05
1984,6.890000000000001e-05
1985,7.19e-05
1986,7.489999999999999e-05
1987,7.81e-05
1988,8.15e-05
1989,8.52e-05
1990,8.5e-05
1991,0.000176
1992,0.000373
1993,0.0020499999999999997
1994,0.0050999999999999995
1995,0.00956
1996,0.014
1997,0.013099999999999999
1998,0.0125
1999,0.0146
2000,0.000641
2001,0.00853
2002,0.0181
2003,0.0303
2004,0.0456
2005,0.064
2006,0.0733
2007,0.0861
2008,0.0989
2009,0.11
2010,0.122
2011,0.116
2012,0.125
2013,0.134
2014,0.142
2015,0.151
2016,0.16
2017,0.168
2018,0.177