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
1921,5.389999999999999e-07
1922,2e-06
1923,4.16e-06
1924,6.7799999999999995e-06
1925,9.63e-06
1926,1.25e-05
1927,1.5100000000000001e-05
1928,1.73e-05
1929,1.87e-05
1930,1.93e-05
1931,1.88e-05
1932,1.76e-05
1933,1.59e-05
1934,1.38e-05
1935,1.15e-05
1936,9.169999999999999e-06
1937,7.06e-06
1938,5.31e-06
1939,4.13e-06
1940,3.7e-06
1941,3.77e-06
1942,3.98e-06
1943,4.309999999999999e-06
1944,4.75e-06
1945,5.26e-06
1946,5.85e-06
1947,6.48e-06
1948,7.15e-06
1949,7.83e-06
1950,8.51e-06
1951,9.220000000000002e-06
1952,1e-05
1953,1.09e-05
1954,1.1900000000000001e-05
1955,1.3e-05
1956,1.41e-05
1957,1.53e-05
1958,1.67e-05
1959,1.8100000000000003e-05
1960,1.96e-05
1961,2.13e-05
1962,2.33e-05
1963,2.55e-05
1964,2.81e-05
1965,3.09e-05
1966,3.39e-05
1967,3.7199999999999996e-05
1968,4.07e-05
1969,4.43e-05
1970,4.41e-05
1971,5.92e-05
1972,5.92e-05
1973,0.000118
1974,0.000178
1975,0.000237
1976,0.000296
1977,0.000296
1978,0.00035499999999999996
1979,0.000474
1980,0.000592
1981,0.000592
1982,0.000651
1983,0.000829
1984,0.0011799999999999998
1985,0.00101
1986,0.00124
1987,0.0015400000000000001
1988,0.00213
1989,0.00231
1990,0.00233
1991,0.00297
1992,0.0033900000000000002
1993,0.00487
1994,0.0069900000000000006
1995,0.0126
1996,0.0215
1997,0.039700000000000006
1998,0.0394
1999,0.057
2000,0.0874
2001,0.0775
2002,0.09179999999999999
2003,0.09709999999999999
2004,0.0965
2005,0.126
2006,0.121
2007,0.128
2008,0.136
2009,0.139
2010,0.143
2011,0.162
2012,0.171
2013,0.18
2014,0.188
2015,0.197
2016,0.205
2017,0.214
2018,0.223