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
1921,2.51e-06
1922,9.32e-06
1923,1.94e-05
1924,3.15e-05
1925,4.48e-05
1926,5.8099999999999996e-05
1927,7.03e-05
1928,8.03e-05
1929,8.71e-05
1930,8.96e-05
1931,8.76e-05
1932,8.21e-05
1933,7.4e-05
1934,6.41e-05
1935,5.3400000000000004e-05
1936,4.27e-05
1937,3.2800000000000004e-05
1938,2.47e-05
1939,1.92e-05
1940,1.72e-05
1941,1.76e-05
1942,1.85e-05
1943,2.01e-05
1944,2.2100000000000002e-05
1945,2.4500000000000003e-05
1946,2.7199999999999997e-05
1947,3.0200000000000002e-05
1948,3.33e-05
1949,3.65e-05
1950,3.96e-05
1951,4.29e-05
1952,4.67e-05
1953,5.0799999999999995e-05
1954,5.54e-05
1955,6.03e-05
1956,6.57e-05
1957,7.14e-05
1958,7.76e-05
1959,8.42e-05
1960,9.120000000000001e-05
1961,9.91e-05
1962,0.000108
1963,0.00011899999999999999
1964,0.000131
1965,0.00014399999999999998
1966,0.000158
1967,0.00017299999999999998
1968,0.000189
1969,0.000206
1970,0.00023799999999999998
1971,0.000255
1972,0.000262
1973,0.000304
1974,0.00033600000000000004
1975,0.000299
1976,0.000359
1977,0.0004
1978,0.000441
1979,0.000464
1980,0.000496
1981,0.000512
1982,0.000482
1983,0.000559
1984,0.000588
1985,0.000589
1986,0.000629
1987,0.000657
1988,0.000766
1989,0.0008209999999999999
1990,0.0010500000000000002
1991,0.00109
1992,0.00116
1993,0.0013700000000000001
1994,0.00166
1995,0.00174
1996,0.00289
1997,0.00283
1998,0.0034500000000000004
1999,0.00417
2000,0.0039700000000000004
2001,0.0045899999999999995
2002,0.00483
2003,0.0048200000000000005
2004,0.00501
2005,0.00522
2006,0.00592
2007,0.00649
2008,0.00707
2009,0.0077800000000000005
2010,0.00846
2011,0.008119999999999999
2012,0.008490000000000001
2013,0.00886
2014,0.00923
2015,0.0096
2016,0.00996
2017,0.0103
2018,0.0107